Moody's downgrade of the U.S. sovereign credit rating has elicited mixed responses among Republicans in Congress, with some questioning the motive behind the change and others depicting it as a warning that lawmakers should heed as they wrestle with a sweeping tax and budget bill.

Moodys recent downgrade of the U.S. sovereign credit rating from AAA to Aa1 has stirred a sharp response from Republicans in Congress, revealing deep divisions over fiscal policy and President Donald Trumps proposed