From time to time this blog has addressed issues of faith and politics. In September, Isaac Canales shared his views about the church's response to illegal immigration. Brian McLaren has spoken here about the demise of the Religious Right. And we've debated Greg Boyd's belief that America's status as a "Christian nation" is a myth.

Yesterday, a leading candidate for the Republican presidential nomination gave a speech concerning "faith in America." Mitt Romney's Mormon religion has increasingly become an issue in the campaign - particularly as his sizable lead in Iowa has been lost to Baptist pastor turned politician, Mike Huckabee. But what impact will Romney's speech have on the crucial conservative evangelical voters that populate the base of the Republican Party? Will they overlook his Mormon faith and focus on common ground values? Or will theological differences trump political ideology?

Our colleague at Christianity Today, David Neff, has analyzed Romney's speech. We encouraged you ...