McCain's Condescension and Rudeness In Debate

The #1 guys competing for the presidency and one of them conducts himself with honor, dignity and respect for his opponent. The other is rude, aloof and condescending
continually repeating variations on...what he doesn't understand it____; or, he still doesn't get it____; or, he can't seem to understand...

If McCain treats a highly educated, experienced, polite, American Senator (and likely future president) in such an insulting manner, patient and tolerant citizen candidate that way, I worry how he will deal with other lawmakers, heads of state around the world, not to mention what contempt he will demonstrate toward the average United States citizen?

John McCain needs to return to kindergarten to learn how to play well with others and
demonstrate kindness and tolerance of others' ideas.