evidence: McConnell blocks 2 bills on election security on heels of Mueller warnings [...] One day after former special counsel Robert Mueller issued a stark warning that the Russians are actively seeking to interfere once again in the U.S. elections and called for aggressive deterrence measures, Senate Democrats sought passage of multiple election security bills only to be stopped by Republican Leader Mitch McConnell for a second time this week. [...] But the Kentucky Republican, who is running for a fifth term in 2020, has shut down nearly every effort to bring election security to the Senate floor.