The Equal Rights Amendment: A promise unfulfilled

An Equal Rights Amendment to the U.S. Constitution – guaranteeing rights to all Americans regardless of sex – was first proposed to Congress in 1923. More than a century later, it still has not become a formal part of our nation's bedrock of laws. Correspondent Martha Teichner looks at the long road of the ERA, and talks with three generations of women for whom equal rights under the Constitution remains an unfulfilled goal.