Compiled by Lauren Kornreich and Katy Byron, CNN Washington Bureau
* Hillary Clinton attends a Martin Luther King Day union event in New York City.
* John Edwards holds "Bringing It Home" town halls in Georgetown and Myrtle Beach, South Carolina.
* Rudy Giuliani visits supporters and holds town halls in Naples, Fort Myers, Punta Gorda, Sarasota, Clearwater, and Lakeland, Florida.
* Mike Huckabee attends a rally in August, Michigan, tours companies in Lansing and Ypsilanti. Later, he attends the Auto Show, and a rally in Warren, Michigan.
* John McCain holds a town hall meeting and media availability in Kalamazoo, Michigan, attends town hall meetings in Holland and Spring Lake, Michigan, and a campaign event in Grand Rapids. Later, he attends a fundraiser, and holds a media availability in Traverse City, Michigan.
* Barack Obama holds a roundtable discussion, then attends a rally in Reno. Later, he meets voters in Fallon, Nevada, and attends a town hall meeting in Carson City, Nevada.
* Mitt Romney speaks at a high school in Grand Blanc, Michigan. Later, he addresses the Detroit Economic Club, and attends the Auto Show. At night, he speaks at the Oakland County Republican Party Anniversary Gala in West Bloomfield, Michigan.
* Fred Thompson meets with voters in Aiken, South Carolina, tours downtown Greenwood, South Carolina, and meets voters in Simpsonville, South Carolina.
* Ron Paul meets with the media in Reno, and holds a rally in Carson City, Nevada.
* The Senate Radio-Television Correspondents' Gallery Daybook:
* The House Radio-Television Correspondents' Gallery Daybook: