Freshman sire Caracaro collected the first 'TDN Rising Star' trophy for his case when Casalu (f, 2, Caracaro--Key d'Oro, by Medaglia d'Oro) sailed home a debut winner on Sunday afternoon at the Del Mar Thoroughbred Club. Spotlighted in the Sunday edition of TDN's Summer Breezes and Racing Insights, the Three Amigos-owned juvenile who went off at sixty cents on the dollar here was looking to make good on a bullet workout she posted at Santa Anita July 8 when she went four furlongs in :46.40 (1/54). The heavy favorite blazed...