That opposition was out in force Wednesday.
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The clash over President Obama’s trade agenda engulfed Washington on Wednesday as liberal critics delayed a Senate vote, House Democratic leaders lined up in opposition and GOP supporters predicted success despite the growing commotion.

The fight over trade promotion authority (TPA), or fast-track, legislation is crucial to Obama’s efforts to enact sweeping new trade deals — one with Europe and the other a 12-nation behemoth with countries from Asia to Latin America — that rank among the top policy priorities of his second term.