New York Post reporting attributes specific 2028 primary support figures to an Emerson College poll, including JD Vance at 36% and Marco Rubio at 35% among Republicans and lower shares for Gavin Newsom and Kamala Harris among Democrats. Separate unverified claims reference earlier February figures and a California gubernatorial race poll. All data points remain tagged unverified with quality ratings of 0.5-0.6 from two sources.