got letter from USCIS stating denied petition. and didnt recieved the explaination why we got denied. We check online status still said REQUEST FOR EVIDENCE. called up uscis, same. Senator and Congressman called me February 2010 that our petition was being reviewed in California. How come USCIS send me letter that the petition denied December 2009? How can i appeal it since its already 4 months now? Please help.