California’s governor has thrown his support behind a ballot measure designed to block a controversial one-time tax on the state’s wealthiest residents. Proposition 42 would nullify the retroactive financial burden imposed by Proposition 40, known as the Billionaire Tax Act, if approved by voters. The move comes as lawmakers and activists clash over how to fund public services amid economic challenges. Supporters argue the new measure would prevent unfair financial penalties, while opponents may question its broader implications for progressive taxation efforts.


California Gov. Gavin Newsom (D) endorsed a ballot measure that, if approved by voters, would cancel out the ballot measure proposal that would impose a one-time tax on the Golden State's billionaires. On Friday, Newsom endorsed Proposition 42, which would prohibit retroactive taxes imposed by Proposition 40, known as the Billionaire Tax Act, for any...