One would have to go back hundreds of years to find a monarch who reigned longer than Queen Elizabeth II.

Moon Landrieu, the patriarch of a Louisiana political family who was a lonely voice for civil rights until the tide turned in the 1960s, has died.

As mayor of New Orleans, Mitch Landrieu oversaw billions of dollars in infrastructure repairs and improvements when he took over a lagging recovery from Hurricane Katrina in 2010.