California, Iowa, New Jersey, New Mexico, Montana and South Dakota held key primaries on Tuesday.
In California, Republican television commentator Steve Hilton and Democratic former cabinet secretary Xavier Becerra held onto early leads in the open primary race for governor. Their current positions make them likely contenders to advance to the general election on November 3.
Polling data indicates that Hilton, Becerra, and Tom Steyer have emerged as the leading candidates. Hilton and Becerra currently lead a crowded field, though millions of votes have yet to be counted.