A measure to force a vote on redistricting failed the South Carolina state Senate on Tuesday after five Republican lawmakers defied President Trump and voted with Democrats against the redistricting effort.  “We are the most gerrymandered Republican state in the country already,” South Carolina Senate Majority Leader Shane Massey (R), who voted against redistricting, argued in the state capitol.  A measure to force a vote on redistricting failed the South Carolina state Senate on Tuesday after five Republican lawmakers defied President Trump and voted with Democrats against the redistricting effort.  AP Redistricting supporters sought to redraw longtime Rep. Jim Clyburn’s (D-SC) district to make it more competitive for Republicans.  AP Redistricting supporters sought to redraw longtime Rep.…