WASHINGTON — Accusing politicians of "pounding their chests" on immigration for short-term political gain, Florida Gov. Jeb Bush said Tuesday that the tone of the debate had been "hurtful" to him and his Mexican-born wife, Columba. Bush, the younger brother of President Bush, reserved some of his sharpest criticism for conservatives in his own Republican Party, calling it "just plain wrong" to charge illegal immigrants with a felony, as a provision passed by the Republican-led House would do. He also opposed "penalizing the children of illegal immigrants" by denying them U.S. citizenship, an idea backed by some conservatives but not...