The race to the Republican presidential nomination continues on February 22 with a GOP debate in Phoenix, Arizona.  CNN.com Live is your home for all the latest news and views from the campaign trail.

Today's programming highlights...

9:30 am ET - Pentagon budget hearing - President Obama's proposed budget for next fiscal year is the focus of several Capitol Hill hearings this morning.  Defense Secretary Leon Panetta will defend the Pentagon's budget request before the Senate Armed Services Committee.

10:00 am ET - Federal budget hearings - Acting OMB Director Jeffrey Zients and Treasury Secretary Timothy Geithner will state their case about President Obama's 2013 budget before a pair of Senate committees.

12:00 pm ET - John King chat - CNN's John King joins us for his weekly politics chat on CNN.com Live.  Send him your questions via Twitter @JohnKingCNN.  Then click on to see him answer live.

12:30 pm ET - China's VP in Washington - Chinese Vice President Xi Jinping is in Washington today.  He'll make remarks at a luncheon with Vice President Biden and Secretary of State Hillary Clinton.

3:00 pm ET - Santorum rally - GOP presidential candidate Rick Santorum rallies supporters in Coeur d'Alene, Idaho.

5:30 pm ET - Gingrich at ag expo - GOP rival Newt Gingrich attends the Tulare World Ag Expo in Tulare, California.

CNN.com Live is your home for breaking news as it happens.