He has the backing of a majority of evangelical Christians, members of the Tea Party and self-described conservatives, once again high-lighting a powerful desire among the party base for an alternative to Mitt Romney, currently the anointed nominee. But as the contest turns into a coast-to-coast slog destined to last all summer, few believe he can win, for one simple reason: money.
Rick Santorum is joined on stage by his family as he speaks to Republican activists in Washington DC earlier this month Photograph: Chip Somodevilla/ Getty Images
