"For whatever reason (and there were numerous apparently) Democrats let the clock run out."
Democrats in elected federal office are generally wealthy, straight, and older. These are the types that will not suffer the consequences of the election like many of us will, so the need for action, even when they acknowledge the need, just isn't that urgent to them. Plus they have Citizens United to shield them from charges of inaction.
#36
Both things can be true. They're not mutually exclusive.