Greg Allen

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In a well-kept neighborhood in Miami with lush gardens, Larry Smart, a county mosquito control inspector, holds a turkey baster up to the light. "If you look closely, you'll see some moving fast. They're wriggling around," he says. "That's actually mosquito larvae." Smart uses the turkey baster to sample standing water in hard-to-reach places.

Two and a half years before he killed 49 people in a June 12 shooting attack at Orlando's Pulse nightclub, Omar Mateen told investigators he'd been teased and verbally abused by co-workers for being Muslim. That abuse, he said, led him to claim ties to mass killers and terrorist groups, connections he later told the FBI he'd made up. The FBI concluded Mateen was not a threat.

As part of the project A Nation Engaged, NPR and member stations are going to political battlegrounds to ask people in key populations what they want from this presidential election.

With a population of more than 20 million, Florida is the country's largest swing state. And its population is changing — thanks to Puerto Rico.

Puerto Rico's stagnant economy has brought tens of thousands of Puerto Ricans to Florida each year over the last decade. Large numbers have settled in the area near Orlando.

The Triple S Mart in Baton Rouge has become a shrine and a gathering place for activists. It's where Alton Sterling was shot and killed by police officers just over a week ago.

Standing in front of a large mural of Sterling at the convenience store, his son, 15-year-old Cameron Sterling said he hoped his father's death would help bring people in the city together.

"My father was a good man," Cameron said. "That was a sacrifice to show everybody what was going on."

About a hundred miles north of Miami on the Atlantic Coast, the town of Stuart is a picturesque waterfront community — with homes, restaurants and parks overlooking the St. Lucie Estuary. But in many areas now, when you approach the water, the first thing you notice is the smell.

"There's no way to describe it," says John Skinner, a boat salesman in Stuart.

But he still tries. "I would say hundreds of dead animals that have been baking in the sun for weeks."

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The last few years have been rocky ones for SeaWorld. While other theme parks have prospered, SeaWorld's parks have seen attendance declines — in part because of public concerns about captive killer whales raised by the documentary Blackfish.

In March, SeaWorld agreed to end theatrical orca shows and its captive breeding program. Their Florida location is now adding new attractions and is hoping to lure visitors back with the area's tallest and fastest roller coaster.

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It has been five years since NASA retired the space shuttle, ending a federal program that employed some 10,000 people around Cape Canaveral, Fla.

The loss of those jobs was a blow to Florida's Space Coast, an area closely identified with NASA and the nation's space program. But the region's economy is bouncing back and attracting companies that are in a new space race.

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Miami Beach is one of the nation's cities most vulnerable to climate change — and its leaders are doing something about it. The city, a national leader in addressing climate, has begun to make improvements aimed at protecting residents from rising sea levels.

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This election season establishment candidates have been put on the defensive. That's true in the Presidential campaign and in races further down on the ticket, including the re-election bid by the head of the Democratic National Committee, Congresswoman Debbie Wasserman Schultz.

Wasserman Shultz's challenger is drawing on national support and providing her with the first primary challenge of her career. So, who exactly is he?

He's Tim Canova, a stalwart progressive in the mold of Sanders himself.

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Florida's governor, Republican Rick Scott, is trying to bring jobs to the Sunshine State by taking aim at states with Democratic leaders. NPR's Greg Allen reports on his latest trade mission.

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Ted Cruz is successfully wooing delegates even in states where Donald Trump won primaries. Here's why. If the national convention ends up being open or contested, delegates can eventually switch their allegiance, and that's causing some fights.

Environmental activist Luis Jorge Rivera Herrera has worked to protect a pristine section of Puerto Rico's coastline. Now he's being honored with the Goldman Environmental Prize.

Millions of years of Florida's history are lying on a table in Paulette McFadden's office at the University of Florida in Gainesville. It's in long metal tubes containing several feet of sediment from Horseshoe Beach, a community on Florida's Gulf coast.

"This core," McFadden says, "actually spans about 30 million years."

Puerto Rico's governor has signed a bill that puts the island's debt payments on hold until January 2017. Gov. Alejandro Garcia Padilla says the island's first priority is covering payments for essential services.

Puerto Rico acted this week following reports that a key financial institution, the Government Development Bank, is nearly insolvent. A group of hedge funds went to court to block public agencies from withdrawing funds from the bank. Within hours, the Legislature moved to pass the debt moratorium by approving the measure.

In a major concession to critics and animal welfare groups, SeaWorld Parks & Entertainment Inc. says it will stop breeding captive killer whales.

SeaWorld's treatment of its killer whales, or orcas, was put in the spotlight three years ago by Blackfish, a documentary that examined the death of SeaWorld trainer Dawn Brancheau, who was killed by an orca named Tilikum. Since then, in a steady campaign on social media, critics have demanded SeaWorld end its orca breeding program.

Puerto Rico is losing people. Due to a decade-long recession, more than 50,000 residents leave the U.S. territory each year--most for jobs and new lives on the mainland. This issue is especially affecting healthcare, where it's estimated that at least one doctor leaves Puerto Rico every day.

SeaWorld says the health of one of its best-known killer whales is deteriorating. Tilikum is the orca that killed SeaWorld trainer Dawn Brancheau in 2010 — her death and SeaWorld's treatment of its killer whales were at the center of the documentary Blackfish.

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