Note : Trump said he previously criticized Romney before getting to know him . The value of a Donald Trump endorsement of Mitt Romney is unclear . My net worth is many many times Mitt Romney . '' Rick Santorum agreed with Newt Romney that the delegates should be proportional . The Republican candidates are campaigning in Nevada , which holds its caucuses there .
Note : 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 agreed with Newt Romney that the delegates should be proportional . The Republican candidates are campaigning in Nevada , which holds its caucuses there .