It's MORNING EDITION, from NPR News. Good morning. I'm David Greene.
STEVE INSKEEP, HOST:
And I'm Steve Inskeep.
Democrats hold their convention this week. And yesterday on this program, we heard one version of the challenge President Obama will face. Cokie Roberts said the president will need to talk of more than President Bush's failures and Mitt Romney's tax returns. He will face the challenge of defending his own record and speaking of what he'd do in four more years.