The Latest: Rubio casts rival Bush as part of the past

Republican presidential candidate, Sen. Marco Rubio, R-Fla., speaks at the Iowa GOP's Growth and Opportunity Party at the Iowa state fair grounds in Des Moines, Iowa, Saturday, Oct. 31, 2015. (AP Photo/Nati Harnik)DES MOINES, Iowa (AP) — Many of the Republican candidates seeing the White House in 2016 are in Iowa Saturday, wooing early caucus goers. The Latest from a candidate forum at the Iowa State Fairgrounds. All times are local.

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