His May 2007 speech at the Montana AFL - CIO Convention in Butte articulated many of his views .
He is an opponent of free trade policies , a supporter of fair trade , and an advocate of workers ' rights and organized labor .
opponent 's May 2007 speech at the Montana AFL - CIO Convention in Butte articulated many of his views .
He is an opponent of free trade policies , a supporter of fair trade , and an advocate of workers ' rights and organized labor .