Folk legend Pete Seeger (89) joined Bruce Springsteen at the conclusion of the "We Are One" concert at the Lincoln Memorial to lead a sing-along of Woody Guthrie's "This Land Is Your Land." Seeger, who rode the rails with Guthrie during the Great Depression led the 500,000 person audience on the mall in singing the song as it was originally written with verses often left out that address worker's rights. Less