A little of Kerry's history in congress...
John Kerry and John McCain negotiated an agreement with Vietnam to provide a full accounting for POW-MIAs.
John Kerry has passed legislation that shut down money laundering activities of terrorists and drug traffickers.
Worked on COPS.
Worked on NASA reform bills and NSF funding and other science funding.
57 bills and resolutions John Kerry has sponsored over the years have passed the U.S. Senate. Countless others have been improved because of his work, including the Clean Air Act, the Children’s Health Insurance Program and the COPS program.
From: http://www.johnkerry.com/index.html