Tea Party-endorsed Christine O'Donnell wins Delaware Senate primary election

September 15, 2010 has defeated in a Republican primary election for U.S. Senator from Delaware,  and the Associated Press have announced. With 325 of 325 counted, O'Donnell, who has received the endorsement of the Tea Party movement, led  Castle by 30561 votes to 27021, 53.1% to 46.9%.

The Republican O'Donnell will likely face  in a  on November 2. The Senate seat from Delaware was vacated when became  in January 2009, and interim appointee  declined to run for the seat. Analysts such as Taegan Goddard and question whether O'Donnell can defeat Coons in November. Before the nominations for the race opened, Mike Castle had been favored to win the seat, which would be a Republican gain in the now Democratic-controlled Senate.

Former Alaska governor and Republican Vice-Presidential nominee endorsed O'Donnell late in the race. The Tea Party movement presents itself as a  movement seeking to reclaim the Republican Party from established politicians.