FULL ANSWER. Ford granted the blanket pardon to former president Nixon on Sept. 8, 1974, a month after Nixon had resigned from office in the wake of the Watergate scandal.
Hemosiderin staining is dark purple or rusty discoloration of the lower legs caused by chronic venous disease. A 2010 study found hemosiderin staining in all subjects with lipodermatosclerosis and venous ulcers. When vein valves fail, regurgitated blood forces red blood cells (RBCs) out of capillaries.
Second most common cause of brown spots on lower legs. The other most common cause is leaky capillaries in the lower leg. Capillaries (the tiny blood vessels that feed the skin) can get irritated and then red blood cells may leak out. The red blood cells themselves get reabsorbed by the body, but the iron in the cells remains.