BLOG.SFGATE.COM 2 Hours Ago Ron Conway pledges to oust senators who rejected background checks by James Temple Legendary tech investor and political mover Ron Conway has a stern warning for the 54 senators who rejected an amendment to expand background checks on firearms sales on Wednesday, a vote that flew in the face of public opinion. “We will employ the most sophisticated social media campaign ever built to remove these people from office,” he said in an interview with The Chronicle. “Mark my words,” he said. “It is shameful and the United States of America should be embarrassed by its Senate.” Known as the godfather of Silicon Valley, Conway is a longtime angel investor who has plugged money into Google, Twitter, Square and countless other well-known companies. Increasingly, however, he has also been flexing political power in San Francisco and elsewhere. He was a mover in the industry’s campaign to kill the much despised Stop Online Piracy Act in late 2011, considered ...