(Reuters) -Republican presidential candidate Donald Trump on Wednesday reposted a lewd social media remark about Vice-President Kamala Harris, the latest in a volley of demeaning attacks by Republicans against Trump's Democratic rival. The comment was made by another Truth Social media user, who wrote, below a picture of Harris and Trump's 2016 Democratic rival, Hillary Clinton: "Funny how blowjobs impacted both their careers differently..." The remark appears to be a reference to former San Francisco Mayor Willie Brown, who briefly dated Harris over two decades ago. A frequent right-wing line of attack against Harris is that Brown fueled her political...