How new research is shaking up the debate about a $15 minimum wage

As a $15 minimum wage becomes a rallying cry for presidential candidates and popular movements across the nation, House Democrats have yet to pass the minimum wage hike they campaigned on.

While the majority is unified in believing the federal minimum wage should be higher, they don’t yet agree on the magic numbers. A $15 minimum wage bill that was on the fast track to the House floor just a couple of weeks ago now looks stuck. A dozen Democrats have signed on to an alternative plan that would raise...