And, then . . . the Republicans retake the Senate in 2018 (which many experts deem likely) while increasing their majority in the House. And, then, sometime in the next four years the economy slips into recession (we're about due, aren't we?) and
So, instead of being giddy (as is tempting right now), Democrats could be downright glum four years from now.
If Dems should happen to take back the House (a huge long shot) in addition to the Senate next month, they should quickly do away with the filibuster and enact as much of their agenda as possible. Like Obama's first two years, it could be their one chance to make a difference legislatively.
(Oh, and while I'm at it, how about Justices Anthony Kennedy, 80, Ruth Bader Ginsburg, 83, and Stephen Breyer, 78, consider retiring to Del Boca Vista? That way Hillary could really shape the Supreme Court, too.)
P. S. And this all assumes Mrs. Clinton can avoid a primary challenge from the left, a la Bernie Sanders or Elizabeth Warren.