A look at some noteworthy television this week: Mr. Warmth: The Don Rickles Project (Sunday, 8:00 p.m., HBO) A look at America's favorite insult comic and last surviving member of the “Rat Pack”, the octogenarian Don Rickles from director John Landis. Everyone from Chris Rock to Bob Newhart to Clint Eastwood to Sidney Poitier talk about the comic. 1968 (Sunday, 9:00 p.m., History Channel) 1968 was a turbulent and tragic year and Tom Brokaw not... more ›

Before the September 11 attacks, the Vesey Street Staircase was seen and used by the public on a daily basis. Located near the intersection of Vesey and Church streets, it consisted of two granite-clad outdoor flights of stairs and an escalator that led from the World Trade Center plaza to Vesey Street. When terrorists crashed two planes into the Twin Towers, the staircase provided a path of escape for hundreds of individuals. The staircase now leads nowhere and consists only of concrete slabs and blocks, a few remaining pieces of stone cladding, and steel supports – but it is nonetheless an authentic and invaluable reminder of the World Trade Center that once stood here.