Republican presidential candidate Mitt Romney is hosting four fundraisers across New York City while his main rivals campaign in Iowa and New Hampshire.
Newt Gingrich is set to talk about brain science research Wednesday afternoon at the University of Iowa.
Rick Santorum is visiting Urbandale and Des Moines, Iowa, on Wednesday morning before attending a noon event in Johnston and a Christmas party at his Des Moines headquarters.
Rick Perry is spending the day hosting a town hall meeting in Council Bluffs, Iowa, and appearing in the Iowa towns of Harlan and Denison.
Ron Paul is visiting the New Hampshire towns of Amherst, Hillsborough and Derry.
Wednesday evening in Des Moines, Michele Bachmann joins Gingrich, Perry and Santorum for a screening of an anti-abortion documentary featuring Mike Huckabee.