. . "Cellist Emanuel Feuerman, who recently completed some trio and quartet Victor recordings with such artists as Jascha Heifetz and Artur Rubinstein, was a tremendous hit at-Fort Riley, Kan. the other day, when he interrupted his concert tour to give a free recital before the soldiers of the Cavalry Rplacment Training Center, the only camp in the country where both the old-fashioned horse and modern" . . .