Cubans surfing the World Wide Web might have the Pittsburgh-based Heinz Endowments to thank, say three anti-Castro Republican members of Congress from Miami-Dade County, Fla. Heinz Endowments Chairman Maxwell King immediately wrote off the accusation, made Tuesday during a news conference in Miami, as "a cynical political stunt predicated on a lie." Teresa Heinz Kerry, of Fox Chapel, wife of Democratic presidential nominee John Kerry, heads the Heinz Endowments. The members of Congress making the allegations -- Reps. Lincoln Diaz-Balart, Mario Diaz-Balart and Ileana Ros-Lehtinen, all Cuban-Americans and all of Miami-Dade -- accused the Heinz Endowments of indirectly helping the...