Morning Booking Call

The countdown is on! With the GOP and Democratic conventions over, its 56 days until the election and all attention is on the national polls. Which candidate received the biggest bounce after the conventions? We'll check in with the Obama and Romney campaigns for reaction from the campaign trail.

Plus: Don't miss our power panel will the week's hot political topics: Brit Hume, Liz Marlantes, Bill Kristol and Jeff Zeleny.

We'll see you on Sunday!