CASSIDY, Bill, a Senator and a Representative from Louisiana; born in Highland Park, Lake County, Ill., September 28, 1957; B.S., Louisiana State University, Baton Rouge, La., 1979; M.D., Louisiana State University Medical School, New Orleans, La., 1983; physician; member of the Louisiana state senate, 2006-2008; elected as a Republican to the One Hundred Eleventh and to the two succeeding Congresses (January 3, 2009-January 3, 2015); was not a candidate for reelection to the House of Representatives but was elected as a Republican to the United States Senate in 2014 for the term ending January 3, 2021.