WASHINGTON ― The race to bePresident Donald Trump'sRepublican successor as the party's 2028 nominee is wide open, andVice President JD Vanceshouldn't be considered the automatic MAGA heir apparent, Sen. Thom Tillis said. The outgoing North Carolina U.S. senator,who opted against running for reelection in 2026, said it's a "jump ball" in 2028 when asked inan Aug. 20 interview on CBS Newswhether there's a "natural heir apparent" to Trump. "Absolutely, jump ball," Tillis said. "I think we're going to probably see one of the most diverse fields for the Republican primary that we've seen in modern times. I don't see any heir apparent." More:MAGA's next leader? Trump says Vance is 'most likely' to lead in 2028