It didn't take long for the rigors of the campaign trail to sour first lady-in-waiting Teresa Heinz, who fumed yesterday that "can't believe" she moved to America and married an American politician. "I can't believe my family left Africa and came to this country," Heinz Kerry complained to the New York Post's Cindy Adams. "I can't believe I ever even married an American." "A politician's wife has a hard life," she said. "To become more of a 'thing' and less of a person is terrible." Teresa's tirade continued, "I can't believe I married a second politician." Then referring to her...