Trump's revenge politics comes back to haunt him

President Trump's week started in triumph when he took out a pair of Republican adversaries up for re-election — but it's ending in a rare moment of Republican resistance, largely of his own making.Why it matters: Trump has spent the better part of a decade steamrolling congressional Republicans, but the costs of his revenge campaign — and some politically toxic priorities — have finally caught up with him.Driving the news: Just as the Senate was getting ready to take up a reconciliation bill Th...