Most of Arizona immigration law is struck down, but the 'stop and check' part is upheld, according to NBC News. The high court strikes down three of four provisions. On net, the SB1070 decision is a significant win for the Obama Administration.
http://online.wsj.com/public/resourc...zona062512.pdf
http://www.huffingtonpost.com/2012/0...6pLid%3D172936