The top story out of this week’s Democratic presidential debate was Sen. Elizabeth Warren’s accusation that Sen. Bernie Sanders called her " a liar on national TV ." Both progressive firebrands have a casual relationship with the truth, especially when it comes to their plans for healthcare. But Warren’s pitch has grown ever more misleading. For months, she adamantly defended "Medicare for all," a full-blown government takeover of the U.S. health insurance system. Private […]