At a fund-raising event for Democrats in Dallas, where Bush now lives, Obama said the former president's "disastrous" policies had driven the U.S. economy into the ground and turned budget surpluses into deficits. Obama defended his repeated references to Bush's policies, saying they were necessary to remind Americans of the weak economy he inherited from Bush in January 2009. "The policies that crashed the economy, that undercut the middle class, that mortgaged our future, do we really want to go back to that, or do we keep moving our country forward?" Obama said at another fund-raising event in Austin, referring...