The Supreme Court will hear a vaping case on Monday, weighing federal regulators’ decisions blocking sweet vaping products after e-cigarette use spiked among kids. The high court is taking up an appeal from the Food and Drug Administration,

In the ongoing case, vaping companies argue that the FDA was “arbitrary and capricious” in rejecting applications for flavored products.

Today’s edition: Potential conflicts of interest could complicate the confirmation of President-elect Donald Trump ’s pick to run Medicare and Medicaid. What you need to know about the Florida sheriff tapped to lead the Drug Enforcement Administration in the incoming administration. But first …