The Daily Five: Shea-Porter Endorsing Obama?

1. CBS/NYT poll will be released at 6:30 pm ET....Tomorrow, Mitt Romney, Ann Romney campaign in Iowa. Tagg Romney campaigns in Michigan. Mike Huckabee campaigns in Western Iowa and then Des Moines. John Edwards continues his bus tour. Bill Clinton stumps for his wife in Iowa. Barack Obama has events out west; he'll start a 5-day bus tour on Friday. Fred Thompson plans a single public event in Iowa after Wednesday's DMR debate.

2. Hillary Clinton launches "New Beginning" ad in Nevada; Obama is already on the air in the state. Edwards adviser Jonathan Prince says the campaign budgeted for January with the notion that the FEC would not allow $4.3M in bundled Act Blue contributions to be applied to Edwards's matching funds total.....Emma Jack and Claire will join their father on his bus tour at some point...generally pro-Clinton blogger Jane Hamsher upset at HRC's support for review of video game ratings after ManHunt 2 receives "M" rating....

3. Giuliani spends most of the week raising money in anticipation of expensive January....Mike Huckabee has two new ads in rotation...his Iowa ad focuses on immigration enforcement...accuracy of Giuliani's latest ad is called into question...Huckabee campaign hints at a major Iowa endorsement tomorrow...The line is drawn? Huckabee refuses to release the text of his sermons...

4. A rival campaign estimates that Romney's campaign has purchased 17,000 gross ratings points worth of television ads nationwide since he launched his campaign...

5. The New Hampshire Union Leader's breaking news alert has Rep. Carol Shea-Porter endorsing Sen. Barack Obama tomorrow...