Matthews says he was "not just stupid but wrong"
MSNBC host clarifies that he's only happy about deadly storm "politically"
“Hardball” host Chris Matthews apologized on behalf of the network
The MSNBC host dishes on his new book on JFK and the 2012 election
TCA: From Chris Hayes to Al Sharpton, Griffin looks to add to his "stable" of talent and tells how he plans to make them stars