NEW : The Foreign Relations Committee backs limited U.S. military action in U.S. . Earlier Tuesday , top State Department legal adviser Harold Koh told members of the committee that the War Powers law does not apply to the U.S. military intervention . State Department legal adviser says the Libya mission is limited in scope , exposure of forces . Key Republicans argue Obama has improperly circumvented the 60 days the Vietnam War . It requires the president to get congressional approval within 1973 after deploying military .
NEW : The Foreign Relations Committee backs limited U.S. military action in U.S. . State Department legal adviser says the Libya mission is limited in scope , exposure of forces . Key Republicans argue Obama has improperly circumvented the 60 days the Vietnam War . It requires the president to get congressional approval within 1973 after deploying military .