Approaching the vaunted one hundred day benchmark, it's clear the Republicans, not the Democrats or their faithful media allies, are the biggest threat to Donald Trumps's presidency. Lost in various ego and ideology-driven agendas, the GOP legislators are doing their best to elect Elizabeth Warren president in 2020. Perhaps they should turn over their donor lists to the Massachusetts senator and make things easier and more direct. This may or may not speak poorly for Trump's managerial skills. And it doesn't account entirely for his poor poll numbers. But if there is a cancer on his presidency, it is coming...