An internal Obama administration email shows immigration officials may be literally working overtime to swear in as many new “citizen voters” as possible before the Nov. 8 presidential election, a powerful lawmaker charged Thursday. The email, from a U.S. Citizenship and Immigration Services field office chief and part of a chain of correspondence within the agency, urges the unnamed recipient to swear in as many citizens as possible “due to the election year.” “The Field Office due to the election year needs to process as many of their N-400 cases as possible between now and FY 2016,” reads the email,...