Failed to protect gay marriage (until the Supreme Court stepped in and did it for them, could be easily reversed any time by those dipshits)
Failed to protect abortion rights (left it to the Supreme Court, and here we are)
Failed to abolish any student debt
Failed to reduce wealth inequality by any meaningful measure.
Failed to promote a peaceful foreign policy (Obama and Biden)
Failed to implement card check
Failed to win elections with obvious unforced errors like running Hillary Clinton, probably the only political figure more despised than Donald Trump.
Failed to deschedule marijuana, and other drugs that aren't particularly harmful
Failed to meaningfully reduce healthcare costs, instead implementing a rebranded "Romneycare" access to insurance reform.