Excerpt: The Senate is scheduled to vote today on renewing benefits for workers who lose their jobs to foreign competition, a step that would open the way for President Barack Obama to submit three free-trade agreements…. “It’s been four years that people have been hanging around waiting for these things to be submitted to the floor,” William Reinsch, president of the National Foreign Trade Council and a Commerce Department official in the Clinton administration, said in an interview. “I’m optimistic we can get all this done.”