PHILADELPHIA, Pennsylvania, Jan. 28 -- The University of Pennsylvania School of Arts and Sciences issued the following news: * * * Who, What, Why: Alexander Schrier on Uzbekistan's role in a new world order The fourth-year international relations student is researching Uzbekistan and Central Asian diplomacy, with a summer spent talking with taxi drivers and U.S. ambassadors on the ground in Tashkent. Who Alexander Schrier arrived at Penn from Gaithersburg, Maryland, unsure of his path. On t more PR