Original sentence: S trade talks of March 2007,  Rangel and and Louisiana Republican Jim McCrery committed a gaffe when they accidentally insulted the Chinese Vice Premier, Wu Yi by referring to her as the Vice Premier of the "Republic of China" in a letter
Edited sentence: S trade talks of March 2007,  Rangel and and Louisiana Republican Jim McCrery showed a glaring lack of diplomatic savvy when they accidentally insulted the Chinese Vice Premier, Wu Yi be referring to her as the Vice Premier of the "Republic of China"