citing differences of opinion on the campaign strategy. they thought newt gingrich wasn't working hard enough and had the wrong ideas. newt gingrich will make his first appearance tonight. he hopes to make that bump in the road go away. the other debut michele bachmann. she is not technically exploring. she is expected to make the announcement in the week and a half. bachman, a congressperson from minnesota and founder of house tea party caucus is a very strong and ardent and vocal conservative. her addition to the stage tonight is expected by many to really sort of jazz up some of the criticism of the president as well as mitt romney for his support of health care reform in massachusetts five years ago. jon: so we know who is coming. who is not coming to this thing tonight? >> well, sarah palin is not coming. after her tour up the east coast with her bus ride a couple weeks ago. she will not be here. jon huntsman, the former governor of utah and obama administration ambassador to china is expected to announce in a week and a