Donald Trump's revenge tour is in full swing, and his latest victim is a Republican who has voted with his party more than 90 per cent of the time.

Trump scored a victory in his midterm vengeance campaign on Saturday when his preferred candidate beat Sen. Bill Cassidy, R-La.

President Donald Trump is lining up new targets after felling yet another Republican critic in a retribution campaign that he finds deeply satisfying but that comes with widening…