The party of microaggressions can’t figure out why it’s inappropriate to call President Donald Trump a fascist, a traitor and Hitler. On Saturday night, Trump and a host of administration officials attended the White House Correspondents’ Dinner. Police believe Cole Allen, armed with firearms and knives, attempted to rush past security in a bid to assassinate Trump and other officials. This is the third assassination attempt Trump has survived in the past two years . After an event such as this, it can be tempting to dismiss the alleged criminal as mentally ill. But Allen wasn’t wandering about on the streets twitching and talking to the voices in his head. He graduated with a mechanical engineering degree from Caltech. He worked as a tutor. He carefully planned his attack. If you can’t blame Allen’s alleged actions on mental instability, you have to confront something more difficult. He was sane — and evil. You don’t have to guess his motivation. Allen laid it out in his manifesto.…