NEW : Sen. McConnell says President Obama should `` back off '' on the issue . NEW : The White House is pushing for a vote in Congress to authorize military action against Syria, but Senate Majority Leader Harry Reid has said he will not allow it unless there are clear indications that Assad used chemical weapons Attorney General Holder says federal courts have the power to review laws . The Supreme Court is deciding whether to rule the 2010 health care law unconstitutional .
NEW : Sen. McConnell says President Obama should `` back off '' on the issue . NEW : The White House acknkowledged Obama 's initial remarks lacked context . Attorney General Holder says federal courts have the power to review laws . The Supreme Court is deciding whether to rule the 2010 health care law unconstitutional .