Pete Seeger at 90

The Nation - In January, on the steps of the Lincoln Memorial, Pete Seeger was the oldest person to perform as part of Barack Obama's inauguration festivities.

Singing the "greatest song about America ever written" (Bruce Springsteen's words) before 500,000 people live and tens of millions more on television, the then-89-year old legend crooned two little-known verses of his friend Woody Guthrie's 1940 patriotic standard, "This Land is Your Land" -- both about Depression-era poverty -- restoring the song to its former glory over the sanitized version that ruled for too many years. Read more.