Elections WATCH LIVE: Trump Rally In Costa Mesa, California [LIVE STREAM] Reuters Steve Guest Media Reporter April 28, 2016 6:41 PM ET Font Size: Donald Trump is scheduled to hold a campaign rally in Costa Mesa, California at 10:00 p.m. EST on Thursday at the Orange County Fair & Event Center’s The Pacific Amphitheater. California heads to the polls on June 7.WATCH: Follow Steve on Twitter and Facebook