anchor.diff:  Merced,2049,Proposition 50,,,No,51
   Merced,2049,Proposition 50,,,Yes,242
   Merced,2049,State Assembly,21,DEM,Adam Gray,213
  -Merced,2049,State Assembly,21,,Brien J. Rahilly,1
  +Merced,2049,State Assembly,21,REP,Brien J. Rahilly,1
   Merced,2049,State Assembly,21,REP,Greg Opinski,97
   Merced,2049,U.S. House,16,REP,David Rogers,42
   Merced,2049,U.S. House,16,DEM,Jim Costa,157
  
positive.code: Merced,2048,Proposition 50,,,No,41
  Merced,2048,Proposition 50,,,Yes,214
  Merced,2048,State Assembly,21,DEM,Adam Gray,161
  Merced,2048,State Assembly,21,,Brien J. Rahilly,1
  Merced,2048,State Assembly,21,REP,Greg Opinski,101
  Merced,2048,U.S. House,16,REP,David Rogers,49
  Merced,2048,U.S. House,16,DEM,Jim Costa,102
  
negative.code: Merced,91161,Proposition 50,,,No,25
  Merced,91161,Proposition 50,,,Yes,55
  Merced,91161,State Assembly,21,DEM,Adam Gray,33
  Merced,91161,State Assembly,21,REP,Brien J. Rahilly,2
  Merced,91161,State Assembly,21,REP,Greg Opinski,48
  Merced,91161,U.S. House,16,REP,David Rogers,24
  Merced,91161,U.S. House,16,DEM,Jim Costa,15
  