Roland-Story defeated CMB, 70-17, in Heart of Iowa Athletic Conference girls basketball Saturday night in Story City.  The Norse led 33-3 at the end of the first quarter and 49-12 at halftime.  Jenna Morris scored a career-high 21 points for Roland-Story, which is now 8-1 overall and 8-1 in the HOIAC.  She also had six assists and five steals.  R-S plays host to Colo-NESCO on Monday night in a make-up game.