Washington (AFP) – US Supreme Court candidate Ketanji Brown Jackson stands on the threshold of making history this week as the first Black woman appointed to the nation’s highest judicial bench after a vote Monday to advance her nomination. Barring any unforeseen hiccups, President Joe Biden’s 51-year-old pick to replace retiring Justice Stephen Breyer will break a 12-year drought for Democratic nominees being confirmed to the bench. She will also be just the third Black justice in the court’s 233-year history, and the Democrat leadership, worried about Biden’s low approval ratings, are hopin…