SIMI VALLEY, Calif. (AP) — The Republican presidential candidates wrangled over immigration, gay marriage and foreign affairs during Wednesday’s prime-time debate, hosted by CNN. Front-runner Donald Trump called former Florida Gov. Jeb Bush “weak on immigration.” Bush pressed Trump to apologize for comments he made about Bush’s Mexican-born wife, and Trump refused. Former Hewlett-Packard executive Carly Fiorina took aim at Trump for derogatory comments he made about her appearance.

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