New Jersey Governor Chris Christie, a Republican, and Newark Mayor Cory Booker, a Democrat, co-starred in a new video made for the state's recent Press Association Legislative Correspondents Club dinner.

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It's funny and it highlights some of the positive things for which both men are known (Governor Christie's New Jersey Comeback, Mayor Booker's heroism when a neighbor's house caught fire), but it also shows something else.

Of course these men have different party affiliations and different ideas as to how government should work, but when they got the opportunity to have a little fun, they did so together in a lighthearted homage to the old Seinfeld-Newman rivalry.

What a difference from the snarky performance President Barack Obama delivered at last month's White House Correspondents' Association dinner. As he does with almost every event, Mr. Obama tried to turn the evening into just another campaign stop; mocking Republican candidate Mitt Romney and members of Congress.

The difference between the Christie/Booker video and Mr. Obama's performance at a similar event is the difference between good natured humor and ridicule. It is mutual respect in spite of ideological differences. And it is a sign of hope for the future of political discourse once the current crop of leaders is off the national stage.