Former Florida Gov. Jeb Bush said Saturday that it's time for the Republican Party to give up its "nostalgia" for the heyday of the Reagan era and look forward, even if it means stealing the winning strategy deployed by Democrats in the 2008 election. "You can't beat something with nothing, and the other side has something. I don't like it, but they have it, and we have to be respectful and mindful of that," Mr. Bush said. The former president's brother, often mentioned as a potential candidate in 2012, said President Obama's message of hope and change during the 2008...