Keep in mind that, assuming Obama's nomination is blocked, a Sanders or Hillary presidency would most definitely put a leftist on the Supreme Court. That leaves the left in charge of two of three branches.
Going forward that poses a problem but in the short term legislation isn't getting through a Republican congress.
I'm just coming from a, put off the gun control legislation long enough for me to afford the stuff I want, point of view hah I'm not an optimist long term.