Trump Aide Warns Left-Wing Extremism Threatens Civilisation at Global Summit

White House adviser Stephen Miller told a state department–hosted international summit that left-wing extremism is a 'fatal cancer to civilisation' and warned it has been a blind spot in counterterrorism. The administration says left-wing violence has risen in the US since 2016 and has framed left-wing groups as anti-American or anarchist in its domestic strategy, while critics warn the focus could erode civil liberties and enable political targeting. Rubio called left-wing terrorism a 'distinctive and unique evil'; the administration has designated European left-wing groups as foreign terrorist organisations, and CSIS analyses show left-wing violence rising but still less lethal than right-wing or jihadi violence. Democrats and the ACLU have pressed for data and cautioned about potential abuses of domestic counterterrorism powers.