The first real test in the race for the White House is next week when voters in Iowa gather to decide who they want as nominees for their party. On the Republican side, there are 12 contenders who vary wildly from Donald Trump the millionaire and reality TV star, to former President George Bush's brother Jeb. Henry Olsen, a senior fellow at the Ethics and Public Policy Center, gives his insights into the ideologies at play that have put Donald Trump at the top of the polls in a party that is traditionally conservative.
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