One needs to be wary of someone who cannot accept responsibility or be accountable for what he has said and done.
One needs to be wary of someone who blames others for his mistakes and does not care about the impact of his actions.
One needs to be wary of someone who is trying to label detractors as part of a "hate" group.
One needs to be very wary indeed of those who would try to stifle legitimate criticism and cast it in the mold of hate literature.
One needs to be wary of someone who is trying desperately to revise and disguise his own history. After all, those who cannot learn from history are doomed to repeat it.