If Hillary Clinton wins the presidency in November, America could get its first “first laddy!” Former first daughter Chelsea Clinton said her dad is sweet on the Irish-themed title should mom Hillary become the nation’s first female president, making hubby Bill Clinton the first male White House spouse. “He likes to harken back to his Irish roots so I think he’d love to be called `first laddy,’ ” Chelsea told NBC’s “Today” show in an interview aired Thursday morning, hours ahead of her big speech for Hillary in Philadelphia. She added: “We have talked about it partly because we’ve all...