En principios de marzo de 1998, Sims formó parte del esfuerzo “Los endosantes de la convocatoria” y fundó el <a href="https://es.wikipedia.org/wiki/Black_Radical_Congress" rel="mw:WikiLink" data-linkid="23" data-cx="{" adapted":false,"sourcetitle":{"title":"black="" radical="" congress","thumbnail":{"source":"https:="" upload.wikimedia.org="" wikipedia="" en="" thumb="" 7="" 7d="" black_radical_congress_logo.svg="" 80px-black_radical_congress_logo.svg.png","width":80,"height":67},"pageprops":{"wikibase_item":"q4921520"},"pagelanguage":"en"},"targetfrom":"source"}"="" class="cx-link" id="mwIQ" title="Black Radical Congress" data-ve-attributes="{" rel":"mw:wikilink"}"="">Congreso Radical Negro</a> del <a href="https://es.wikipedia.org/wiki/Partido_Comunista_de_los_Estados_Unidos" rel="mw:WikiLink" data-linkid="24" data-cx="{" adapted":true,"sourcetitle":{"title":"communist="" party="" usa","thumbnail":{"source":"https:="" upload.wikimedia.org="" wikipedia="" commons="" thumb="" c="" c7="" cpusa.svg="" 80px-cpusa.svg.png","width":80,"height":81},"description":"american="" political="" party","pageprops":{"wikibase_item":"q308714"},"pagelanguage":"en"},"targettitle":{"title":"partido="" comunista="" de="" los="" estados="" unidos","thumbnail":{"source":"https:="" 80px-cpusa.svg.png","width":80,"height":81},"description":"partido="" político="" estadounidense","pageprops":{"wikibase_item":"q308714"},"pagelanguage":"es"},"targetfrom":"link"}"="" class="cx-link" id="mwIg" title="Partido Comunista de los Estados Unidos" data-ve-attributes="{" rel":"mw:wikilink"}"="">Partido Comunista de Estados Unidos</a> . [1] En 2000, Sims fue el contacto en Nueva York United del <a href="https://es.wikipedia.org/wiki/Black_Radical_Congress" rel="mw:WikiLink" data-linkid="26" data-cx="{" adapted":false,"sourcetitle":{"title":"black="" radical="" congress","thumbnail":{"source":"https:="" upload.wikimedia.org="" wikipedia="" en="" thumb="" 7="" 7d="" black_radical_congress_logo.svg="" 80px-black_radical_congress_logo.svg.png","width":80,"height":67},"pageprops":{"wikibase_item":"q4921520"},"pagelanguage":"en"},"targetfrom":"source"}"="" class="cx-link" id="mwJQ" title="Black Radical Congress" data-ve-attributes="{" rel":"mw:wikilink"}"="">Congreso Radical Negro</a> . [2] En 2001, Sims formó parte del consejo editorial de la revista BRC Today <a href="https://es.wikipedia.org/wiki/Black_Radical_Congress" rel="mw:WikiLink" data-linkid="28" data-cx="{" adapted":false,"sourcetitle":{"title":"black="" radical="" congress","thumbnail":{"source":"https:="" upload.wikimedia.org="" wikipedia="" en="" thumb="" 7="" 7d="" black_radical_congress_logo.svg="" 80px-black_radical_congress_logo.svg.png","width":80,"height":67},"pageprops":{"wikibase_item":"q4921520"},"pagelanguage":"en"},"targetfrom":"source"}"="" class="cx-link" id="mwKA" title="Black Radical Congress" data-ve-attributes="{" rel":"mw:wikilink"}"="">del Congreso Radical Negro</a>.