WASHINGTON, D.C. — The Republican Main Street Partnership, the largest organization of elected centrists, recently spotlighted Maine Senator Olympia Snowe. "Snowe has long been a leader for centrist Republicans in Washington," said former U.S. Rep. Tom Davis (R-VA), President and CEO of Main Street. "Snowe's commitment to delivering results to her constituents, and her pragmatic approach to government, have made her one of the most effective members of the U.S. Senate, regardless of which party controls the Congress." "It is clear that Senator Snowe takes public service and the duty of governing seriously. Main Street is lucky to count Senator...