As a candidate for president once again, Donald Trump could not be clearer about his plans to use the Justice Department to seek revenge against his enemies. During his 2016 campaign, his rallies exploded with the chant “Lock Her Up.” Now Trump talks about ordering prosecutions against so many people that his threats have become commonplace. “WHEN I WIN, those people that CHEATED will be prosecuted to the fullest extent of the Law, which will include long term prison sentences,” Trump posted online in September about election administrators, among others. It’s just one example in a long list that extends...