The feds have widened their investigation into the assassination of Charlie Kirk to probe whether PRO-TRANS, online groups and others connected with Tyler Robinson knew in advance about the plan to kill the MAGA influencer, The Post has learned. Law enforcement sources said that investigators are examining leftist groups both in Utah and online to figure out if they helped him with the shooting — or at least heard it was going to happen. The probe includes groups in online gaming community Steam, as well as a pro-trans organization called Armed Queers SLC, which took down their Instagram after Kirk...