now president obama has sent congress a resolution to formally authorize military force against the terror group. >> this resolution reflects our core objective to destroy isil. it supports the comprehensive strategy we have been pursuing with our allies and partners. >> the president's resolution will authorize three years of military operations, put no geographic limit on the campaign and ban enduring combat operations. on capitol hill, there's already push back. >> the language pertaining to ground troops, which is very broad, very ambiguous. none of us know what enduring, offensive combat operations means. >> i'm concerned about the breadth and vagueness of the ground troop -- of the ground troop language. >> reporter: still others called the resolution a step forward. >> i want to make sure the president has all of the tools available in order to win this fight. as we go through this process. >> reporter: that process includes congressional hearings and floor debate. final vote on authorization may