Former President Donald Trump is gearing up to fleece Republican Party voters on a level like never before, longtime GOP consultant Sarah Longwell told MSNBC’s Chris Hayes on Thursday. This comes after the Republican National Committee revealed this week it’s had its worst fundraising year in a decade — and the picture looks even worse for many state-level GOP committees. “One of the things, Sarah — parties have gotten weaker over time,” said Hayes. “I think RNC, if I’m not mistaken, $80 million last year? And Trump had $50 million in legal fees. I mean, those dollars, it is a fixed part. Ther…