On the Political Radar today

Where are the presidential candidates today? What are today's biggest political events? Check out what's on the Ticker's political radar below, compiled by CNN's Lauren Kornreich.

Today's Political Radar

* Sen. Hillary Clinton, D-New York, heads to New Hampshire to talk about innovation at GT Solar Inc. in Merrimack and at the Derry Opera House in Derry. In the evening, she attends a Club 44 "Making History" event at the Boston Symphony Orchestra in Boston, Massachusetts.

* Sen. John McCain, R-Arizona, participates in a roundtable event focusing on medical issues in Grinnell, Iowa. After, he goes to the Holiday Inn and Convention Center in Coralville for a Johnson County Republican fundraiser.

* Sen. Barack Obama, D-Illinois, joins Rep. Elijah Cummings and Maryland Attorney General Doug Gansler for a "Countdown to Change" rally in Largo, Maryland.

* Gov. Bill Richardson, D-New Mexico, stumps all over Iowa, starting with a "Presidential Job Interview" event in Albia followed by a town hall meeting focusing on Iraq and a meet and greet with Hispanic leaders in Ottumwa. Later, he holds town hall meetings on Iraq in Fairfield, Mt. Pleasant and Burlington.

* Former Massachusetts Gov. Mitt Romney starts his day in Michigan with a tour and meet and greet in Royal Oak. After, he heads to Denver, Colorado for a town hall meeting at the University of Denver Sturm College of Law.

* Romney's wife, Ann, has a full schedule of campaign events throughout New Hampshire. She meets with local residents in Manchester and then attends a Seacoast Federated Republican Women afternoon social in Hampton. After, she attends the grand opening of the Romney for President Headquarters in Portsmouth.

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