Newly installed UC President Janet Napolitano paid a visit to UC Merced, yesterday.  Napolitano met with the chancellor, faculty and staff of the youngest UC campus.  Napolitano says she chose to visit Merced during the first week of her tenure as UC president to get a first-hand feel for the successes - and challenges - unique to a campus that aspires to be a research powerhouse in the San Joaquin Valley.