GOP presidential hopefuls back in campaign mode

(AP)? DES MOINES, Iowa ? Republicans in search of their party's presidential nomination are returning to campaign mode in Iowa after a brief Christmas respite.

Rick Santorum planned a Monday hunting trip with conservatives in Iowa and Mitt Romney is phoning supporters.

With just a week until Iowa holds its leadoff caucuses and many voters still undecided, the final push ahead of the Jan. 3 contests was heading into a critical time. Campaigns planned new television ads and phone calls to persuade holdout caucusgoers still weighing options.

Romney, Rep. Michele Bachmann, Texas Gov. Rick Perry and former House Speaker Newt Gingrich all scheduled bus tours to start this week. Rep. Ron Paul, who has built what may be the strongest political machine in the state, is also set to return later this week.

Source: http://feeds.cbsnews.com/~r/CBSNewsTheEarlyShowBoxOffice/~3/b3PagU3diV4/

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