A protester from the organization CODEPINK was ejected from a Hillary ClintonHillary Diane Rodham ClintonHill.TV's Krystal Ball: Failure to embrace Sanders as nominee would 'destroy' Democratic Party Clinton says she feels the 'urge' to defeat Trump in 2020 Can Democrats flip the Texas House? Today's result will provide a clue MORE rally Tuesday night in Washington, D.C.

The following video shows one protester singing "Why, why, Hillary why?" to the tune of Don McLean's "American Pie" as Clinton accuses the Bush administration of undermining the government's functions. Another protester, CODEPINK co-founder Jodie Evans, is escorted from the rally by security.

CODEPINK has promised to "bird-dog Hillary Clinton around town" urging her to end the Iraq War; the group has followed her to several events.