In December 2006 and January 2007 he suffered severe criticism from his own party members, after he announced the results of an evaluation process of all government ministers and other executives of which he was in charge. Rosenthal was the only minister not evaluated. Several well-known members of the Partido Liberal failed the examination and only a few were removed from their posts. This internal dispute extended all the way to the Vice President of Honduras Elvin Santos, who declared publicly that Rosenthal was unfit to evaluate him.
