MENLO, Iowa — It was an inauspicious start for Ron DeSantis in Iowa on Friday. Chanting “Ron DeFascist” and “pudding fingers” on a megaphone while ringing cowbells, two protesters effectively cut short the Florida governor’s first campaign stop of the day at a large roadside rock painted for war veterans. It was the second notable disruption of a Republican presidential candidate by the left in Iowa this week, after a Democrat on Thursday asked Mike Pence at the Iowa State Fair, “Why did you commit treason on Jan. 6?” At the DeSantis event, Kara Ryan of Des Moines said she...