In 2010 , Sharron Angle won the Senate primary in Nevada and Christine O'Donnell won in Delaware . Republicans are taking an aggressive stance against intra - party politics . Some conservative groups called the Republican Party a ` ` liberal '' Establishment ' to prevent candidates who ' n't win in general election .
Republicans are taking an aggressive stance against intra - party politics . Some conservative groups called the Republican Party a ` ` liberal '' Establishment ' to prevent candidates who ' n't win in general election .