A Patriotic Alternative member has encouraged Unite the Kingdom marchers to engage in Islamophobic abuse, confront Jews and give Nazi salutes in London on May 16. A hate-filled tirade ahead of Unite the Kingdom We take London. Enough is enough, no more messing around. No more fucking around. These are the words of Jason Withey, who took to Facebook last week to upload a disturbing five-minute, hate-filled tirade. He encouraged attendees of Tommy…