Senate health committee Democrats requested Tuesday (Feb. 5) that drug makers justify insulin prices a week after House Energy & Commerce Democrats made a similar request. The Senate probe follows two congressional hearings last week that focused on the financial hardships facing type-1 diabetics, and this week two more drug-pricing hearings were announced, though the subject of those hearings is broader than insulin. Sen. Patty Murray (WA), the ranking Democrat on the Senate health committee, and her Democratic committee colleagues...