The House's addition to the Russia sanctions gives the President authority to provide support to Ukraine. The WH announced Obama has reservations about this and will not use the Ukraine authority, but will sign the sanctions bill.

http://abcnews.go.com/Politics/wireStory/congress-presses-obama-russia-sanctions-27626769

http://www.truthdig.com/report/item/three_congressmen_just_reignited_the_cold_war_while_no_one_was_looking_2014