Now, now. Hold the horses. As many have suggested, the use of the president in such a moving portrayal of an incident that happened long ago is probably going 'over the top' 'cause even suggesting that pointing a gun at the president is in anyway, a 'harmless' act, is wrong, way wrong.
That some on the Left might take delight in it only betrays their failure to understand what the 'toonist was expressing and exposes them for the shallow minds they possess. What remains to be seen is: if such a cartoon were to insight some idiot (as well as dulling common senses) to act in such a manner. On the dulling of senses I'd have to vote against images such as this having wide distribution. A bumpersticker perhaps, but not too tasty in a major newspaper.