Audience members hold up signs supporting Republican presidential candidate Donald Trump during a campaign rally in Boca Raton, Fla., Sunday, March 13, 2016.
Audience members hold up signs supporting Republican presidential candidate Donald Trump during a campaign rally in Boca Raton, Fla., Sunday, March 13, 2016. Paul Sancya AP
Audience members hold up signs supporting Republican presidential candidate Donald Trump during a campaign rally in Boca Raton, Fla., Sunday, March 13, 2016. Paul Sancya AP

Primary voting nearing record turnout, with Republicans holding the edge

March 18, 2016 07:31 PM