Author envisions a new spiritual and political revival

Rev. Jim Wallis on NBC's "Meet the Press."
Photo by Alex Wong/Getty Images
Rev. Jim Wallis argues in his new book that America is on the verge of a revival, as people of faith search for common ground to find solutions for such issues as poverty and climate change.
Wallis likens this revival to the religion-fueled movements that helped end slavery and institutional racism.
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