Question: Does Caesar posess a tragic flaw that leads to his down fall? 

Answer: Caesar's tragic flaw was confidence/arrogance, along with the inability to take advice from others.  Caesar thought he was untouchable and never contemplated his own friends would turn on him.  He was warned by the Soothsayer, whose advice he did not listen to, and was advised by his wife to stay home; again he did not listen.  If Caesar had been less sure of himself, he would have been more likely to listen to the advice of his wife (I can understand not listening to a random stranger on the streets).  This would have saved him.  Also, his arrogance was what led him to be killed in the first place.  The other Senators were tired of Caesar's rule and afraid he was attempting to become Emporer.  They wanted him stopped.
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