Obama's push for Pacific trade pact nears finish in Congress

By Krista Hughes and Richard Cowan WASHINGTON (Reuters) - President Barack Obama's bid to boost U.S. economic ties with Asia was poised for a win on Wednesday, when a six-week congressional battle will culminate in a decisive Senate vote on legislation needed to seal his hallmark Pacific Rim trade deal. After two brushes with failure, some fancy legislative footwork and myriad backroom deals to keep the legislation alive, lawmakers are expected to grant Obama the power to negotiate trade de