Every day, when Jamaluddin Rohani walks past his son's empty room inside their Kent home, the father of six said he feels something deep inside himself break. But Rohani said he felt some relief Wednesday afternoon, after King County Superior Court Judge Nikole Hecklinger sentenced the Newcastle man who shot and killed Rohani's son outside a Renton Big 5 Sporting Goods store to nearly 22 years imprisonment. A superior court jury in Kent's Maleng…