Republican presidential hopeful Sen. Sam Brownback said yesterday he no longer supports the immigration overhaul bill that he helped pass in the Senate. "I would not vote for the same bill," Mr. Brownback told reporters yesterday morning, saying that after the bill passed the Senate he had a chance to study its effects and decided it led to too much immigration. It's a major reversal for a man who is listed as one of seven original sponsors of the bill, along with Sen. Edward M. Kennedy, Massachusetts Democrat, and Sen. John McCain, Arizona Republican, who spearheaded the bill... He said...