A new fleet of board members at the Ronald McDonald House Charities of Chicagoland & Northwest Indiana began three-year terms Jan. 1 — a group that includes two Chicago lawyers. The board, which oversees the network of facilities that provides support to families of ill children, now includes Thompson, Coburn LLP partner Robert H. Lang and Baker, Hostetler partner Tara Goff Kamradt. Lang first saw the charity in action while working with it on a pro bono matter. “Let’s say you have a child …