News broke on Friday that Selena Walker, driver of the ambulance carrying late New York Times reporter David Rosenbaum in 2006, would be brought back into the fold at the D.C. Fire and EMS Department. But the Post reports today that AG Peter Nickles is considering appealing the D.C. Superior Court decision to reinstate Walker to her post. Nickles should be feeling pressure to maintain the city’s end of its civil settlement with the Rosenbaum…