WASHINGTON - In a last stab at compromise, Senate Republicans and Democrats reported progress Thursday toward agreement on legislation opening the way to legal status and eventual citizenship for many of the 11 million immigrants now in the U.S. illegally. "There's been tremendous progress overnight," said Sen. Harry Reid (news, bio, voting record) of Nevada, the Democratic leader, while Majority Leader Bill Frist also expressed optimism that a long-sought compromise might be at hand. There was no immediate reaction from President Bush, who has made immigration legislation a key priority. The developments occurred after Frist unveiled a new bill late...