ON THE TRAIL: Thursday, February 14, 2008

Compiled by Rebecca Sinderbrand, CNN Washington Bureau

* Hillary Clinton tours a factory in Warren, Ohio and attends an economic town hall there. Later, she attends a roundtable discussion in Dayton, Ohio, followed by a campaign rally in Columbus, Ohio.

* Mike Huckabee is in Wisconsin, where he attends rallies and hosts media availabilities in Madison, La Crosse, Rothschild and Green Bay.

* John McCain holds a media availability in Burlington, Vermont, and a rally and media availability in Warwick, Rhode Island.