Michelle Obama is a PR disaster every time the Obama camp lets her out of her guilded cage with 27 paid synchophants and servants.
To brag, in Copenhagen and before the world, that your father taught you how to fight dirty in the streets of Chicago, land left hooks, and other rhetoric withing days of two students in Chicago being savagely beaten (one to death with planks and boards) is the height of being morally and politically tone deaf.
Someone lock her back up in the West Wing, get her a few alcoholic drinks, let her go shopping for hideous outfits, and get ready for another taxpayer financed "date night" somewhere.