They're the far left. They're kooks. They're whackos.
Their only loyalty is to their extremist ideology. And when it's put into practice and goes wrong, they point their finger at anything and everything except their failed ideology and themselves.
Schumer is Cindy Sheehen is every other useful idiot of which liberals make use until they don't do exactly as they wish, then they're "a piece of #@%& warmonger." In the 90's, Bill Clinton was their darling. Now, he's a corporate stooge who sold them out with NAFTA and welfare reform. Give them a few years and Obama will be mud to them, too.
.