Md. senator was GOP 'maverick'

(Baltimore Sun) Charles McC. Mathias Jr., Maryland's liberal Republican who served three terms in the U.S. Senate, where he gained enduring bipartisan respect for his conscientious approach to controversial legislation, died Monday from complications from Parkinson's disease. He was 87. ... Called a "maverick" Republican by some, he was a consistent supporter of organized labor, an occasional dove on defense issues and an early advocate of revitalizing the Chesapeake Bay when that was not a significant issue. Continued