Hillary Clinton’s campaign manager briefed some of her most loyal and active fund-raisers this morning about the upcoming Nevada caucuses and responded to frustrations among some of her donors that the campaign needed to do a better job of demonstrating its successful mobilization of grassroots activists and small donors.
Robby Mook, the Clinton campaign manager
Urban Dictionary Mook: Coined in the Scorsese film, 'Mean Streets', meaning an arsehole or loser.