As focus turns to the climax of the Republican convention and the running mate by their candidate, John McCain, Democrat Barack Obama is turning his attention to winning over sceptics - including some religious voters.
People in Britain rate committed campaigners such as Nelson Mandela and Martin Luther King far more highly than celebrities such as Sir Bob Geldof and Angelina Jolie, a recent YouGov poll commissioned by Christian Aid shows.
On the third Monday of every January, the United States marks Martin Luther King Day. The national holiday celebrates the birth and life of the civil rights activist and Baptist minister, whose Christian convictions about justice and the Gospel led him to a path of non-violence and peacemaking.
Jane Fonda, Jesse Jackson, US Congressman Ed Markey, and American Federal Communications Commissioner Jonathan Adelstein have joined with a broad alliance of reformers - including religious organisations - to demand equal access and fair ownership of media provision.
The new Presiding Bishop of the Episcopal Church USA celebrated the life of the Rev Dr Martin Luther King in her first official service in the Diocese of New York this week - at St Ann's Church in the Bronx, on 15 January 2007. She stressed the difficult call to radical non-violence as a key Christian vocation arising from his legacy.
As millions marked Martin Luther King Day across the United States yesterday, American church leaders urged their congregations to join Christians and others in their communities to "to exercise common witness and common service as together we seek to dismantle racism and, in so doing, to be the voice and presence of God's love in the world."