As the US president pushes a crackdown on left-wing groups and openly targets political foes, critics ask where he's taking America

The criminal case against Comey fulfils the president's desire to seek retribution and further raises concerns about abuse of power.

"I’m the president of all the people," Trump boasted amid his menacing comments.

As the US president pushes a crackdown on left-wing groups and openly targets political foes, critics ask where he's taking America