English: KN-C27802 President John F. Kennedy laughs as Washington Senators catcher, Ken Retzer, grasps his hand during opening day of the 1963 baseball season at D.C. Stadium, Washington, D.C.; the Washington Senators hosted the Baltimore Orioles. Also pictured: Special Assistant to the President, Dave Powers; Governor of California, Edmund G. “Pat” Brown (back to camera); Senator Mike Mansfield (Montana); Owner of the Washington Senators, James M. Johnston; General Manager of the Washington Senators, George Selkirk (partially hidden); President of the American League of Professional Baseball Clubs, Joseph Cronin (back to camera); Daniel Harnett and Levi Fraser, from the Washington Boys Clubs; White House Secret Service agents, Gerald A. “Jerry” Behn, Floyd Boring, Roy Kellerman, and John J. “Muggsy” O’Leary.