On Wednesday evening, the US House of Representatives voted to sue President Obama over the delay of Obamacare's employer mandate. The resolution, which you can read here, passed on a vote of 225 to 201, with every Democrat voting against it. 5 Republicans also voted no, including some of the chamber's most conservative members, Reps. Paul Broun (R-GA) and Steve Stockman (R-TX) — likely because the measure doesn't go far enough. Here's our explainer as to whether there's any precedent for this, whether the suit has a chance, and how it will proceed. Has the House of Representatives ever sued...