NEW : Trump said he previously criticized Romney before getting to know him . In the survey , 13 % said it would make them more likely to back a candidate , while 20 % said it would actually make them less likely . The value of a Donald Trump endorsement of Mitt Romney is unclear . Rick Santorum agrees with Newt Gingrich that Florida delegates should be proportional . He says the GOP needs to unite behind one candidate, but not necessarily endorse someone who has been in politics for decades and whose name recognition may have faded over time.
NEW : Trump said he previously criticized Romney before getting to know him . The value of a Donald Trump endorsement of Mitt Romney is unclear . Rick Santorum agrees with Newt Gingrich that Florida delegates should be proportional . He says the GOP needs to unite behind one candidate, but not necessarily endorse someone who has been in politics for decades and whose name recognition may have faded over time.