 Complete the following phrase:  Schaffer is of Ukrainian heritage, the son of a Ukrainian immigrant to the United States. He has received multiple recognitions for his advocacy of UkraineUnited States relations, and for defense of Ukraines territorial integrity under the 1994 Budapest Memorandum. Schaffer was co-founder and co-chair of the Congressional Ukrainian Caucus. Schaffer served as an election observer in Ukraine during parliamentary election 2002 and 