Two Killed In Car CrashesBy THE ASSOCIATED PRESSTwo persons were killed in traffic accidents in Kansas during the weekend.Irwin Eugene DeGraftenreed, 19. was killed Sunday when he w as struck by a car while crossing a street in Kansas City, Kan. The car did not stop, and was seen leaving the area at high speed. DeGratenreed washurled 10 or 15 feet into the air.Eugene Buller, 20, of Inman, was fatally injured Saturday in a collision of his car and a freight train at Medora, nine miles north of Hutchinson.