Timothy Egan: Trump’s evil is contageous

It passed with the usual shrug by the usual handmaidens of hatred when the president of the world’s most powerful democracy threatened to commit war crimes by bombing Iranian cultural sites — the kind of barbarism practiced by the Taliban and rogue-state thugs.After being told that he would be in violation of Geneva Convention rules that the United States had helped to create back when America was actually great, President Donald Trump relented, but still wondered: Why not?The warlor