<p>Fellow Democrats are excoriating Rep. Katie Porter for saying her opponents, including rival Rep. Adam Schiff, sought to “rig” California’s Senate primary — language that echoes former President Donald Trump’s election denialism.</p><p>Porter finished a distant third in the Super Tuesday contest behind Schiff and Republican Steve Garvey. The swift reaction to her social media outburst underscores how California’s enormously expensive Senate race — for a likely safe Democratic seat — has left lingering bruises. It also raises warnings for Democrats tempted to use rhetoric they’ve condemned as undermining public trust in the nation's elections.</p>