After former Virginia Gov. Mark WarnerMark Robert WarnerTop Senate Dems demand report from Trump on UK nerve agent attack The Hill's 12:30 Report Overnight Tech: What we learned from Zuckerberg's media blitz | Opening arguments in AT&T-Time Warner trial | Trump plans new tariffs on China MORE announced his candidacy for Virginia's senate seat, the National Republican Senate Committee wasted no time in putting out this video on Warner's record on taxes.