Susan Estrich commentary Tribune graphicBut there are certain facts coming out of Michigan that cannot be denied. Representative Stevens was supported by some $60 million in outside money, including more than $30 million from the American Israel Public Affairs Committee. That's AIPAC, for short, the pro-Israel lobby that used to wield enormous clout in Washington and in national politics. Her extraordinary support from AIPAC became an issue in the campaign, as did her opponent's stance on Israel. The message to other candidates is clear: AIPAC money comes with a price.