Donald Trump’s own fans are begging the former president to change course as Vice President Kamala Harris now reportedly leads him in seven national polls. Trump late Thursday night bragged that one of his endorsed candidates, Bobby Harshbarger, prevailed against incumbent Sen. Jon Lundberg in the Republican primary in Tennessee Senate District 4. “Bobby Harshbarger wins!” the image posted on Truth Social by Trump states. “Endorsed by President Trump.” Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: We asked 10 Republican senators: ‘Is Kamala Harris B…