As Bob Dole, George McGovern accept World Food Prize, absence of its ailing founder, Norman Borlaug, is noted. Retired senators were honored for food, nutrition and humanitarian programs. McGovern, 86, moved crowd by bursting into verse of 'Jesus Loves the Little Children.' 'The beautiful thing about the hunger issue,' he said, 'is that it is soluble....I hope to live long enough to see every schoolchild in the world fed."