On a Facebook page for his 1988 Harvard graduating class, peers have questioned Ackman’s motives for months and expressed disdain, according to posts viewed by Bloomberg. Yet Ackman, true to form, doesn’t care – because he’s certain he’s right. “There’s a line of people who want to talk to me and take a picture,” he says of a recent wedding he attended with other Harvard alumni. “They thank me: ‘Bill, thanks for standing up. Thanks for being such an important voice on important topics where no one is willing to speak the truth.’” Highest bidder It’s clear that Ackman is...