 Among its most visible projects to date are a Web site that draws some 12 million unique visitors a year; a high-school recitation program; a redesign for Poetry magazine; and, most contentiously, an eyebrow-raising $21.5 million headquarters in Chicago.Barr is leaving the Poetry Foundation in July and will be replaced by the respected poet and critic Robert Polito, who currently directs the writing program at the New School; his appointment may be a sign that the foundation has heard its critics' voices.Polito envisioned the Poetry Foundation as "simultaneously a Chicago, national, and international organization.