President Barack Obama addresses the crowd honoring the victims of the Tucson, Arizona, shooting rampage.
President Barack Obama addresses the crowd honoring the victims of the Tucson, Arizona, shooting rampage. Will Seberger/MCT
President Barack Obama addresses the crowd honoring the victims of the Tucson, Arizona, shooting rampage. Will Seberger/MCT

With Obama's Tucson speech, his presidency turns a corner

January 13, 2011 7:05 PM