Ellen Johnson Sirleaf (born 29 October 1938) is the 24th and current President of Liberia, and 2011 Nobel Peace prize laureate.

She served as Minister of Finance under President William Tolbert  from 1979 until the 1980 coup d'état, after which she left Liberia and held senior positions at various financial institutions.

It's hard to believe that 50 years on, we are still fighting the same old battles.

The public service announcement below, a remix of a 1964 tune by Lesley Gore, creatively and clearly makes the point that women must not become complacent.

Guest blog post: Soraya Chemaly is a feminist satarist and media critic. She is also an insightful and thought-provoking blogger whom I greatly respect and admire. I highly recommend following her on Twitter.

This excellent piece was originally published in far greater length and considerably more detail on The Huffington Post.