 On February 12, 2009, O'Donnell had announced her candidacy.She reiterated that she was in the race even after Michael Castle announced his candidacy in October 2009, and formally launched her campaign on March 10, 2010.In her remarks, O'Donnell criticized excessive government spending, said that Castle was the most liberal Republican in the House, and said that the Tea Party movement and grassroots anti-incumbent trends would be in her favor.