Two Irish groups regularly fly the Confederate flag and one of the flags was seen on television on Sunday at a major sporting event despite the weekend deaths in Charlottesville and the white supremacist supporters widely waving the Confederate flag. It also flew Sunday at Dublin’s premier sporting grounds in Croke Park in Dublin. Supporters of the Cork team, which played Waterford in the All-Ireland hurling semifinal before over 72,000 people in Croke Park, were seen flying the flag during television coverage of Sunday’s game. The Cork hurling and football teams are known as “The Rebels” and have long used...