Assembled outside Desert Vista High School , they mocked Obama 's race , singing `` Bye Bye Black Sheep '' in spirited synchronization . Matthew C. Whitaker : Obama 's appearance at Arizona school brought out racist protesters . Report : Sign said , `` Impeach the Half-White Muslim ! '' and some sang `` Bye Bye Black Sheep '' ' The president was in Phoenix to speak about his plan for a national strategy on education reform. Whitaker : Arizona protesters were loud , but such racism is ubiquitous , should worry us all .
Matthew C. Whitaker : Obama 's appearance at Arizona school brought out racist protesters . Report : Sign said , `` Impeach the Half-White Muslim ! '' and some sang `` Bye Bye Black Sheep '' ' The president was in Phoenix to speak about his plan for a national strategy on education reform. Whitaker : Arizona protesters were loud , but such racism is ubiquitous , should worry us all .