"Biden Secures Democratic Nomination with Primary Wins: Live Updates"

President Biden clinched the Democratic nomination, while Trump is expected to secure the Republican nomination. Biden vows to defeat Trump in November, as both candidates face challenges with voter support. Meanwhile, Robert F. Kennedy Jr. is considering Aaron Rodgers and Jesse Ventura as potential running mates for an independent presidential ticket. In North Carolina, a panel of judges ruled against a Republican-led effort to restructure election boards, and Washington State's primary will provide insight into Democratic voters' opposition to Biden's policy on Israel's war in Gaza. Additionally, Trump allies have imposed mass layoffs at the Republican National Committee following leadership changes.