Lawmakers express tentative relief, reservations about Obama's ISIS plan

President Obama's announcement Wednesday that he is drastically expanding the U.S. military campaign against the Islamic State militant group was met with both tentative relief and reservations from Republican lawmakers, who expressed concern that the president's plan was not going far enough.

In addition, lawmakers from both sides of the aisle said they disapproved of the fact that Obama had not asked for a congressional vote to authorize military force against the Islamic State group, also known as ISIS or ISIL.

In a prime-time address to the nation, Obama said he has authorized U.S. airstrikes in Syria along with expanded airstrikes in Iraq, vowing to wipe out the group's terrorists "wherever they exist." He also made a renewed call to train and arm moderate Syrian rebels to aid in the fight.

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