SAN JOSE – The Santa Clara County District Attorney’s Office says it is leaving Twitter amid an “explosion of hate speech” on the popular social media platform under new owner Elon Musk. The office’s account, which has 4,520 followers, is set to be deactivated Tuesday. “As Americans, we have the freedom to loudly express our political opinions and strongly disagree with each other,” District Attorney Jeff Rosen said in a statement Monday. “However, when that speech crosses the line into hatred, racism and anti-Semitism, all of our precious and hard fought freedoms are undermined and our democracy is weakened. Every...