US Vice President Kamala Harris voices her fears of a potential second term for former President Donald Trump and announces plans for an assertive campaign to ensure his defeat. Her remarks come as other prominent Democrats, including former President Barack Obama, express concern about President Joe Biden's re-election campaign. Harris will begin her campaign with a focus on abortion rights in Wisconsin, a key battleground state, and has framed the election as a choice between "competence versus chaos" and a fight for the future of American democracy. Meanwhile, Trump continues to secure victories in Republican primaries and maintains high popularity among his base despite facing multiple criminal indictments and legal battles. Polls also show him leading Biden in key states.