Washington, D.C.: in this picture released by the White House. United Sdtates President John F. Kennedy applauds his children, Caroline and John Jnr., as they demonstrate their dancing ability in the Cheif Executive's Office. The picture was made by the White House photographer last month. John Jnr., celebrates his second birthday tomorrow, November 25th., and Caroline will be five on November 27th. 24 November 1962