"The mere thought of tangling with the Trumpster’s foul, prevaricatory, sneering tweets offends Obama’s own sense of civil discourse between politicians."

"This revulsion is just another form of self-indulgence... It isn’t as if Barack Obama doesn’t realize what he is doing and what is happening in this self-enriching bubble he has shaped, post presidency.... He can’t seem to help himself."

Wrote Ralph Nader, quoted in "The far left’s attacks on moderate Democrats get old," by Paul Fanlund, editor of Madison's Capital Times.