WEST PALM BEACH, Fla. -- Rush Limbaugh and the American Civil Liberties Union do not agree about much, but they are in accord that the conservative radio commentator's medical records should be off-limits to prosecutors. The Florida ACLU filed court papers yesterday supporting Limbaugh's argument that investigators violated his constitutional right to privacy when they seized his medical records in November to investigate whether he violated drug laws when he purchased prescription painkillers. "It may seem odd that the ACLU has come to the defense of Rush Limbaugh," the state chapter's executive director, Howard Simon, said in a statement. "But...