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 the first day of New Student Orientation, he says,  more PR