Gov. Wes Moore (D), center, looks at roadside historical marker unveiled Wednesday that pays homage to Black youth buried on property at the former House of Reformation and Instruction for Colored Children in Prince George's County. (Photo by William J. Ford/Maryland Matters)Gov. Wes Moore (D) was struck by the original ledger from the old House of Reformation and Instruction for Colored Children, a segregated reform school for boys that operate…