DOVER, Del.— Greeting voters here outside the Dover High School polling station in the state capital of Delaware, Republican U.S. Senate candidate Christine O’Donnell says her critics are wrong to suggest she can’t win in November if victorious in today’s primary. “They’re the same people who said I couldn’t win here,” an affable O’Donnell, dressed in a red jacket and black pants, told The Daily Caller this afternoon. “I mean, look where we are in the polls. They said I’d never get beyond a few percentage points.” The narrative heading into O’Donnell’s primary fight today with the more liberal Republican...