U.S. Attorney Preet Bharara announces charges against more than a dozen Russian diplomats and their spouses living in New York during a news conference Thursday, Dec. 5, 2013 in New York.  The charges stem from the defendants' alleged involvement in a $1.5 million fraud of a U.S. government health program for the poor. (AP Photo/Jason DeCrow)

Photo by: Jason DeCrow

U.S. Attorney Preet Bharara announces charges against more than a dozen Russian diplomats and their spouses living in New York during a news conference Thursday, Dec. 5, 2013 in New York. The charges stem from the defendants' alleged involvement in a $1.5 million fraud of a U.S. government health program for the poor. (AP Photo/Jason DeCrow)