Islamic State Video Threatens Washington

authenticity - n. real or genuine: not copied or false

theatrics - n. ways of behaving and speaking that are like a performance on a stage and are intended to attract attention

cyber - adj. of, relating to, or involving computers or computer networks (as the Internet)

embarrass - v. to make (someone) feel confused and foolish in front of other people

anonymous - n. a secret group that does not reveal its identity

mask - n. a covering used to hide or disguise your face

wage - v. to start and continue (a war, battle, etc.) in order to get or achieve something