James GleickI don't think “emboldened" is the right word for this obscene and racist tirade. Perhaps one or more of the following:
Frenzied.
Violent.
Frustrated.
Enraged.
Berserk.
Dec [{(
)}]@gleick
"A petulant frenzy, this is a petulant frenzy. He's petulant, and he's having a frenzy."
"On the sofa he weeps BOO HOO HOO HOO."