Four House Republicans — Paul Broun (R-GA), Trent Franks (R-AZ), Sue Myrick (R-NC) and John Shadegg (R-AZ) — announced they would be asking the House sergeant-at-arms to investigate claims in a new book that the Council on American-Islamic Relations (CAIR), the largest Muslim lobby group in DC, is trying to plant Muslim spies as interns on the Hill.