June 21, 2002 12 to Be Awarded Medal of FreedomBy THE NEW YORK TIMES ASHINGTON, June 20 — President Bush announced today that he would award the Presidential Medal of Freedom, the nation's highest civilian award, to a dozen prominent people, including Nelson R. Mandela and Nancy Reagan. The medal is also going to A. M. Rosenthal, retired executive editor and columnist for The New York Times, who now writes a column for The Daily News in New York. Reached at his home in Manhattan this afternoon, Mr. Rosenthal said: "I've been surprised many times in my life, but never...