Donald Trump implored his supporters Sunday to brave frigid temperatures and deliver him a decisive victory in Monday’s Iowa caucuses, saying their vote would help bring to Washington the retribution he has repeatedly promised if he returns to the White House. At a rally in Indianola, Trump said his supporters could fight back against his political enemies, claiming that the four indictments he faces were driven by politics and renewing his false claims about the 2020 election he lost to Democrat Joe Biden. Many in the crowd wore white and gold caps identifying them as Trump caucus ca...