His meandering speech to a crowd of loyalists at Red Rock Casino came a day after progressive candidates scored key victories in Michigan's Democratic primaries on Tuesday. But the victories by progressive Democrats in Michigan and other Democratic primaries were a dominant theme for Trump. Democratic socialists, he said, represented the creeping threat of communism and threatened to destroy the American way of life. Neither of the two winning Democratic candidates in Michigan identify as Democratic socialists, although some progressive candidates who emerged victorious in earlier primaries do. Trump credited Las Vegas' service industry workers, a critical voting bloc in Nevada, with inspiring the legislation's temporary "no tax on tips" provision.