This Saturday, Jeb Bush makes his first visit to Iowa as a possible presidential candidate to attend the Iowa Agriculture Summit. In past years an establishment favorite like Bush would approach the first caucus state gingerly, unsure whether to expend time and resources in a process that generally has favored more conservative candidates. But 2016 may be different. All the Republican candidates seem to be playing in Iowa. So in advance of his visit to the state this weekend, Bush told Iowa radio that if he were to run he would be “all in.” Usually, hedging candidates simply promise to return to the state.