Sen. Bernie Sanders began what became a series of exchanges among all 10 candidates on stage in Detroit by telling former Rep. John Delaney "you're wrong" over a previous characterization of his "Medicare for All" proposal. Delaney had referred to the plan as "political suicide."
Universal health coverage has been a cornerstone of both of Sanders' presidential campaigns. He noted that countries like Canada have lower health care costs.
Challenged by Rep. Tim Ryan on a point, Sanders retorted, "I wrote the damn bill."
President Donald Trump and his Republican allies have cast the Democrats' reform plans as extreme.