Instant Alert: Two GOP candidates are joining Donald Trump at his big rally Thursday night

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   Two GOP candidates are joining Donald Trump at his big rally Thursday night by on Jan 28, 2016, 2:25 PM Advertisement Republican presidential candidate Rick Santorum plans to join party front-runner Donald Trump at a rally in Iowa later on Thursday, his campaign said. Santorum, a former U.S. lawmaker, will participate in the so-called "undercard" debate for Republican presidential candidates with less support in the polls before going to the event with Trump, who has vowed to skip Thursday night's debate hosted by Fox News. Former Arkansas Governor Mike Huckabee also said he plans to attend Trump's event. (Reporting by Ginger Gibson; Writing by Susan Heavey; Editing by Chizu Nomiyama)   Share the latest business news with your network: Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011