Rep. Michele BachmannMichele Marie BachmannBachmann won't run for Franken's Senate seat because she did not hear a 'call from God' Billboard from ‘God’ tells Michele Bachmann not to run for Senate Pawlenty opts out of Senate run in Minnesota MORE (R-Minn.) said Sunday she was discussing a potential endorsement with Cain aides, and predicted Tea Party voters would "come home" to her campaign.

"A lot of Herman Cain supporters have been calling our office and they’ve been coming over to our side," she said on CNN. "I think they see my voice will be most reflective of his."

Perry and Bachmann both indicated they hoped to get a boost from Cain ahead of the first caucus in Iowa. Cain enjoyed strong support in the state, leading with 23 percent just a few weeks ago. A drop to 8 percent of likely caucus-goers in the latest Des Moines Register poll corresponded with the sexual harassment allegations and accusations of a long-term affair that ultimately capsized his campaign.

Newt Gingrich, currently a front-runner in nationwide polls — as well as leading Iowa with 25 percent — might have already sewn up Cain's votes. Fox 5 Atlanta reported Sunday that Cain would announce his endorsement of Gingrich on Monday in New York City.