Afternoon News Bytes: Feb. 20, 2012

The Surprising Faith Of 8 American Presidents (OPINION); Santorum Questions Obama's 'World View,' Not Faith; Educating Two Generations (OPINION); The Inside Story On Climate Scientists Under Siege; Obama's 'Radical' Option For America's Nuclear Future; Pain Without GainFacing Death, A Top Pastor Rethinks What It Means To Be Christian; The End Of Church (OPINION).