As former President Donald Trump’s one-time attorney and fixer Michael Cohen testifies as the star witness at the former president’s Manhattan criminal trial, Republicans have gathered at the courthouse to support him — and in so doing, have highlighted a key point of Cohen’s testimony, writer Amanda Marcotte argued for Salon. In courthouse rants, delivered by people like Sens. J.D. Vance (R-OH) and Tommy Tuberville (R-AL), House Speaker Mike Johnson (R-LA), and former presidential candidate Vivek Ramaswamy, they’ve relentlessly attacked the court process — and in many cases attacked people Tr…