To YehudaYona,
I don’t think Sanders is “hated” by Congress. They may disagree with him, but he is able to engage in civil discourse better than any other candidate. What’s more, there are significant numbers of Sanders Republicans. Just on the issue of Citizens United, look at this article from last summer:
“Sen. Bernie Sanders is often characterized by the media as an out of the mainstream presidential candidate, but a new CBS/New York Times poll revealed that 80% of Republicans agree with Sanders on the issue of getting money out of politics.
The CBS/NYT poll found that:
All of these positions are held by Bernie Sanders, and the opinion of the majority on each question is the exact opposite of the reasoning used by the majority of the Supreme Court in the Citizens United decision.”