** FILE ** In this file photo made April 15, 2009, the Merck logo is seen in the lobby of Merck & Company Inc.'s world headquarters in Whitehouse Station, N.J. (AP Photo/Mel Evans, File)

Photo by: Mel Evans

** FILE ** In this file photo made April 15, 2009, the Merck logo is seen in the lobby of Merck & Company Inc.'s world headquarters in Whitehouse Station, N.J. (AP Photo/Mel Evans, File)