Trump, Clinton Tighten Grip on Nominations

Trump, Clinton Tighten Grip on Nominations-rollcall: Donald Trump and Hillary Clinton put more distance between themselves and their rivals on Super Tuesday, with both front-runners winning seven of the 11 states holding elections or caucuses.  “This has been an amazing evening,” Trump declared at his exclusive Mar-al-Lago resort in Palm Beach, Fla., and said he was expanding the Republican Party’s base.