A spokeswoman for Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE's presidential campaign on Thursday taunted the rival Sanders campaign in a tweet, calling Clinton's lead in pledged delegates "almost insurmountable."

ADVERTISEMENT

Jennifer Palmieri, communications director, tweeted a picture of a staffer using a poster to illustrate the campaign's lead in pledged delegates.

Clinton's team has used similar language before to describe Clinton's lead over Sanders. Last week, campaign manager Robby Mook said in a conference call with reporters : "We are nearing the point where our delegate lead will effectively become insurmountable."

Sanders currently trails Clinton in pledged delegates 851 to 1,606.