AMC's smash hit "The Walking Dead" premieres its second season tonight. Civilization is wiped out, cities are overrun with "walkers" (zombies, for you newcomers), and fans just can't get enough of the gory thrills. CNN's Don Lemon paid a visit to the set, where you never know what will jump out at you next.
Can't make it to Washington, D.C. for the dedication of the memorial to civil rights leader the Rev. Martin Luther King Jr.? CNN's Josh Levs shows you how you can visit the memoral online.