A federal judge Wednesday sentenced a Winthrop Harbor man to more than three years in prison for threatening President Donald Trump and others, saying she found it “rich” that prosecutors sought an even stiffer sentence after Trump pardoned scores of Jan. 6 rioters. The sentencing of Trent Schneider, 58, comes more than three months after a jury found him guilty of making a threat with a video he posted online last fall. In the video, he railed …