Vincent Gentile will represent Democrats in the May 5 special election.
The former Texas governor and likely 2016 hopeful blasts Obama as weak on terror threats.
Potential 2016 hopeful tells CPAC he was wrong in his past approach to comprehensive reform.
His comments come as House GOP prepares to vote on a short-term DHS funding bill.
Former Speaker warns of the threat of radical Islam and foreign money coming into the U.S.
The conservative radio host suggested Bush could run on the same ticket as Hillary Clinton.
Cameron Joseph 02/27/15 06:54 AM EST
Foreign policy is quickly dominating the Conservative Political Action Conference.
He faces his first major test in his address to a potentially hostile CPAC crowd.
At CPAC, 2008 vice presidential nominee says U.S. is in a "civilizational struggle."
The governor said lawmakers are giving up the fight on ObamaCare and immigration.