Healthcare law faces new road bump in Missouri

Tuesday also saw the reelection of Democratic Sen. Claire McCaskillClaire Conner McCaskillMcCaskill welcomes ninth grandson in a row Dem group launches M ad buy to boost vulnerable senators Senate Dems block crackdown on sanctuary cities MORE (Mo.) and Democratic Gov. Jay Nixon, both of whom were dogged by questions about the healthcare law.

Missouri voters backed Mitt Romney for president.