Sen. John Kerry has a long and dubious record in foreign policy. In the 1970s, he testified against his fellow Vietnam War veterans before the Senate Foreign Relations Committee. He charged that they were violating the Geneva Conventions every day in Vietnam. Some POWs were outraged at Kerry’s disloyal statements. They said they had been tortured by their Communist captors trying to force them to make such untrue statements. Worse, Kerry went to Paris in 1971. There, he met with North Vietnamese Communists. … Any negotiation between a private U.S. citizen and a foreign power is illegal. It violates the...