Tense California governor’s race comes to a head: Key primaries to watch Tuesday

Voters in half a dozen states will vote in primaries on Tuesday, with the spotlight on the race to replace California Gov. Gavin Newsom (D).  Democrats crowded into the wide-open race, raising concerns that the splintered field could open the door for Republicans. But after controversy squeezed Democrat Eric Swalwell out of the running, support…