A Rep. Mike Castle (R-Del.) campaign source confirmed to The Hill late Tuesday that the longtime congressman will not be endorsing Christine O’Donnell.
The Tea Party-backed O’Donnell defeated Castle for Delaware’s Republican Senate nomination.
After the stunning primary loss, Castle’s campaign also said the longtime congressman is not interested in waging a write in bid this November.
Full Story: Castle will not back O’Donnell – The Hill’s Ballot Box