The Ticker: CNN, MTP, Jenna Bush…

By Chris Ariens 

>CNN’s “Election Express Yourself” Airstream trailer pulls into the Iowa State Fairgrounds tomorrow. CNN says “the fair marks the first stop in the 2008 political season for the traveling exhibit as it makes its way across the United States.”

>Meet the Press is still #1 on Sunday morning. With nearly 2.7M viewers, MTP topped second-place Face the Nation by 415,000 viewers last week. The Tim Russert broadcast beat third place This Week by 526,000 viewers, and fourth place Fox News Sunday by 1.6M.

> has the story of the engagement of first (or is she second?) daughter, Jenna Bush…