COLUMBUS, Ohio—Former presidential candidate Vivek Ramaswamy glided to victory in the Ohio GOP primary election for governor, solidifying the predicted Nov. 3 General Election showdown between him and the uncontested Democratic nominee, Dr. Amy Acton. Ramaswamy defeated a political newcomer, Toledo automotive entrepreneur Casey Putsch. The Associated Press called the race at 7:42 p.m. ET, with Ramaswamy holding a 70-point lead. Ramaswamy, at a watch party in Columbus, called his margin of victory in the primary “historic.” He also said he believed the results showed that the “Republican Party, coming out of a primary for governor, has never been more united.”...