Former Massachusetts Gov. Mitt Romney and U.S. Rep. Ron Paul have entered the Republican presidential caucuses in Hawaii set for March 13.
David Chang, the party’s chairman, said representatives from former U.S. House Speaker Newt Gingrich’s campaign have also called and shown interest.
State Republicans have converted to a presidential caucus system for awarding delegates in the hopes of growing the party. Voters have to join the GOP to participate in the caucuses.