What, if anything, do the following events have in common?
1. Republican Congressman Joe Wilson yells, "You lie!" while Obama is addressing Congress.
2. Presumably adult audience cheers, "Yeah!" when Wolf Blitzer asks Republican presidential candidate Ron Paul, M.D. whether Americans should let another American die because he lacks health insurance. None of the candidates object.
3. Young students chant, "Better off dead!" at memorial dance for 14-year-old Jamey Rodemeyer, who killed himself after chronic bullying because he was gay.
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