Republican senators on Tuesday signaled they’ll vote to acquit former President Donald Trump in his upcoming second impeachment trial, highlighting what they see as the futility in pressing forward with the proceedings. Most Republicans haven’t said exactly how they’ll vote, but 45 GOP members of the upper chamber voted for a point of order that called the trial unconstitutional. The vote showed the impeachment trial “is dead on arrival,” Sen. Rand Paul (R-Ky.) said on Fox News on Tuesday night. “There will be a show, there will be a parade of partisanship, but the Democrats really will not be able to win. This shows they don’t have the votes to win.” Even if all Democrats vote to convict Trump—40 already plan to while nine have said they’ll listen to evidence during the trial before deciding—they’d need 17 Republican senators to join them, or Trump will be acquitted for a second …