Since they entered California politics over 20 years ago, Kamala Harris and Gavin Newsom have ducked a one-on-one showdown. Now the Democratic rivals are barreling toward what could be a contest on the biggest stage: the 2028 race for the White House. • It could be a Hollywood script: The former vice president, now touting a new book, is seeking redemption after falling to Donald Trump last year. • The California governor, a rising star, has burst onto the national stage this year as a leading voice in the resistance to Trump.

Why it matters: Their public niceties toward each other cloud a longtime, behind-the-scenes tension that's beginning to surface as both weigh runs for president.

Zoom in: Harris set off rare public sniping between the pair last month when she took a dig at News

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