Why have two US commentators been banned from entering the UK ?

Cenk Uygur and Hasan Piker were supposed to address events at SXSW London before their ETAs were cancelled Free speech activists condemn UK entry ban for Hasan Piker and Cenk Uygur Cenk Uygur, the host of the Young Turks online political talkshow, and Hasan Piker, who runs his own hours-long (…)