By Imy Brighty-Potts A Pennsylvania school has been blasted for asking students in fifth grade to pretend to be white slave owners in a horrific homework assignment, leading to angry complaints from parents. Somerset County parents say they were shocked to discover an “alarming assignment” brought home by their 10-year-old daughter last week. Shannon and Kenneth Poole Conemaugh Township elementary parents claim that their daughter brought home an assignment last week instructing students to “pretend to be a white master looking to buy a slave.” “On Thursday morning, we got an assignment in our…