anchor.diff:  "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,,
  +"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,,
  
positive.code: 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
  "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
  
negative.code: "HOWITT, PHIL",2000,PRIMARY,ASSEMBLY 53,,
  "FELANDO, GERALD",2000,PRIMARY,ASSEMBLY 53,,
  "NAKANO, GEORGE",2000,PRIMARY,ASSEMBLY 53,,
  "OGDEN, DALE F.",2000,PRIMARY,ASSEMBLY 54,LIBERTARIAN,http://elections.cdn.sos.ca.gov/sov/2002-primary/sov-complete.pdf
  "KAHN, SANFORD W.",2000,PRIMARY,ASSEMBLY 54,,
  "LOWENTHAL, ALAN",2000,PRIMARY,ASSEMBLY 54,,
  "MC DONALD, R. KEITH",2000,PRIMARY,ASSEMBLY 55,,
  "LANKSTER, SAUL E.",2000,PRIMARY,ASSEMBLY 55,,
  "ROBINSON, CARL E.",2000,PRIMARY,ASSEMBLY 55,,
  "WILSON, GUY",2000,PRIMARY,ASSEMBLY 55,LIBERTARIAN,http://elections.cdn.sos.ca.gov/sov/2002-primary/sov-complete.pdf
  "HAVICE, SALLY",2000,PRIMARY,ASSEMBLY 56,,
  "WONG, DANIEL K.",2000,PRIMARY,ASSEMBLY 56,,
  "WALLACH, PATRICIA A. (PAT)",2000,PRIMARY,ASSEMBLY 57,,
  