Donald Trump is scheduled to set history on Monday by becoming the first former president to face a criminal trial, and there’s one thing legal experts say to pay close attention to. Andrew Weissmann, the former top prosecutor on former special counsel Robert Mueller’s team, on Friday suggested what he thought citizens and journalists should look closely at. For Weissmann, all eyes are on the upcoming selection of the jury. ALSO READ: 15 worthless things Trump will give you for your money “What to keep an eye out for in the NY Trump trial jury selection: will the DA have to make a ‘Batson chal…