Senate Democrats get a harsh lesson on why they should never, ever play nice with Republicans

Four years ago, President Obama was in the White House and Democrats controlled a solid majority in the United States Senate. At the very least, Obama should have had free rein to appoint federal judges. Yet then-Senate Judiciary Chair Patrick Leahy (D-VT) insisted on giving Republicans the power to veto many of Obama’s nominees.

Three years later, in a move that pretty much everyone on the planet who is not named “Patrick Leahy” knew would inevitably play out, now...