anchor.diff:  candidate_name,year,election_type,office,party,source
  -"WINSTON, ALMA MARIE",2014,PRIMARY,GOVERNOR,REPUBLICAN,http://elections.cdn.sos.ca.gov/statewide-elections/2014-primary/updated-contact-info.pdf
  -"WALLS, JIMELLE L.",2014,PRIMARY,GOVERNOR,NO PARTY PREFERENCE,http://elections.cdn.sos.ca.gov/statewide-elections/2014-primary/updated-contact-info.pdf
  -"ESPINOSA, GEBY E.",2014,PRIMARY,ASSEMBLY 24,DEMOCRATIC,http://elections.cdn.sos.ca.gov/statewide-elections/2012-primary/updated-contact-info-cert-list.pdf
  -"VALENTINE, ROBERT S.",2011,SPECIAL ELECTION,STATE SENATE 28,REPUBLICAN,http://elections.cdn.sos.ca.gov/special-elections/2011-sd28/certified-list.pdf
  +"WINSTON, ALMA MARIASDFECIAL ELECTION,STATE SENATE 28,REPUBLICAN,http://elections.cdn.sos.ca.gov/special-elections/2011-sd28/certified-list.pdf
   "WALDRON, MARIE",2018,PRIMARY,ASSEMBLY 75,REPUBLICAN,http://cal-access.sos.ca.gov/Campaign/Candidates/Detail.aspx?id=1273672
   "KEPHART, GARY",2014,GENERAL,STATE SENATE 36,DEMOCRATIC,http://elections.cdn.sos.ca.gov/statewide-elections/2014-general/updated-contact-info.pdf
   "WAHL, BERNT",2014,PRIMARY,ASSEMBLY 15,NO PARTY PREFERENCE,http://elections.cdn.sos.ca.gov/statewide-elections/2014-primary/updated-contact-info.pdf
  
positive.code: "CHRISTIAN-HEISING, MARY",2002,PRIMARY,MEMBER BOARD OF EQUALIZATION 03,DEMOCRATIC,http://elections.cdn.sos.ca.gov/sov/2002-primary/sov-complete.pdf
  "BAKEER, EMAD J.",2002,PRIMARY,MEMBER BOARD OF EQUALIZATION 03,REPUBLICAN,http://elections.cdn.sos.ca.gov/sov/2002-primary/sov-complete.pdf
  "WEISSMAN, KENNETH A.",2002,PRIMARY,MEMBER BOARD OF EQUALIZATION 04,LIBERTARIAN,http://elections.cdn.sos.ca.gov/sov/2002-primary/sov-complete.pdf
  "LIGHTFOOT, GAIL K.",2002,PRIMARY,SECRETARY OF STATE,,
  "SCHAEFER, MIKE",2002,PRIMARY,SECRETARY OF STATE,,
  "HENLEY, CARL Q.",2002,PRIMARY,SECRETARY OF STATE,,
  "ALLISON, LOUISE M.",2002,PRIMARY,SECRETARY OF STATE,,
  "SHARPE-GEISLER, VALLI",2002,PRIMARY,SECRETARY OF STATE,,
  "MARR, BARBARA JEAN",2002,PRIMARY,SECRETARY OF STATE,,
  "REDFEARN, PEGGY",2002,PRIMARY,STATE SENATE 02,,
  "UNDERWOOD, ROBERT H.",2002,PRIMARY,STATE SENATE 04,,
  "DE BAETS, PETER D.",2002,PRIMARY,STATE SENATE 28,,
  "SMITHSON, MARIAN V.",2002,PRIMARY,TREASURER,,
  "VALENTINE, SYLVIA ESTHER",2002,PRIMARY,TREASURER,,
  "GOLDSWORTHY, KIM",2001,SPECIAL,ASSEMBLY 49,,
  
negative.code: "SOLIS, JOHN M.",2006,PRIMARY,ASSEMBLY 57,,
  "TALEB, JON",2006,PRIMARY,ASSEMBLY 65,,
  "LOWE, ROBIN R.",2006,PRIMARY,ASSEMBLY 65,,
  "CROSS, BRIAN LEE",2006,PRIMARY,ASSEMBLY 72,LIBERTARIAN,http://elections.cdn.sos.ca.gov/sov/2002-primary/sov-complete.pdf
  "MEYER, SCOTT",2006,PRIMARY,ASSEMBLY 75,,
  "BELITZ, RICHARD G.",2006,PRIMARY,ASSEMBLY 77,,
  "HARRIS, DAVID",2006,PRIMARY,CONTROLLER,,
  