Sen. Raphael Warnock (D-Ga.) on Sunday slammed the Supreme Court for striking down Louisiana’s congressional maps this week, arguing the national redistricting push is allowing lawmakers to choose their voters rather than upholding the democratic process.  “Gerrymandering turns our elections on its head, so that rather than the people picking their politicians or their public servants, the politicians are picking their voters,” Warnock said on CBS News’s “Face the Nation.” Warnock’s comments follow the high court’s decision earlier this week that determined Louisiana’s majority Black district was illegal, drawing back protections under Section 2 of the Voting Rights Act.  The provision has been used to justify redistricting efforts aimed at protecting the voting power of minority groups, and it specifically outlaws any voting practice that creates hurdles to voters “on account of race or color.” Warnock said, “what happened this week is nothing less than a massive and devastating blow, not only to…