The White House on Tuesday raised concerns that a surprise billing fix relying heavily on arbitration could increase health care costs and said air ambulances should be part of Congress' solution, signaling the Trump administration opposes the provider-friendly bill from the House Ways & Means Committee. The White House comments appear to lend support to the bicameral, bipartisan plan by the Senate health and House Energy & Commerce committees, which sets benchmark payment rates, uses arbitration as a last resort...