President Obama's campaign will transfer voter data, turnout models, and information about supporters who volunteered on behalf of the president to the Democratic National Committee, in a move Democrats say will boost the party's efforts ahead of the midterm elections. The decision to turn over the data to the DNC comes despite initial discussions about creating an external corporation to house the Obama campaign data. Those deliberations had sparked concern that the committee may have been prevented from full access to the modeling and data systems widely credited with helping propel the president to two consecutive victories. "It's a big...