They make you say, ‘I must be able to contribute something.’" The end of the Vietnam War, 50 years ago, also helped wind down an extraordinary era of protest music.

Four students were killed, and nine others were injured. Not all of those hurt or killed were involved in the demonstration, which opposed the U.S. bombing of neutral Cambodia during the Vietnam War.

The end of the Vietnam War, 50 years ago, also helped wind down an extraordinary era of protest music. For Collins and such contemporaries as Joan Baez, Pete Seeger and Peter, Paul and Mary ...

They make you say, ‘I must be able to contribute something.’" The end of the Vietnam War, 50 years ago, also helped wind down an extraordinary era of protest music.

NEW YORK (AP) — Out of the many Vietnam War protests she performed at in the 1960s and 1970s, Judy Collins can never forget one in Washington, D.C., where she stood before thousands and sang Bob ...

They make you say, ‘I must be able to contribute something.’” The end of the Vietnam War, 50 years ago, also helped wind down an extraordinary era of protest music.