As hundreds of private equity investors gathered at the Wharton School for a conference on "harnessing the winds of change to allocate capital and maintain returns of recent years,” protesters called on the industry to take greater responsibility for the impact of their investments on workers and communities. Workers from Manor Care nursing homes, a company recently acquired by conference keynote speaker David Rubenstein’s The Carlyle Group, joined protesters in holding up the firm’s poor record in the community as an example of the harmful impact of irresponsible buyouts.