"And she was shot in the neck, and it punctured a vein, and immediately she started spurting blood," Obama said.
"And apparently, as she dropped down on the floor, Stephanie — 21 years old — had the presence of mind to drop down on the ground with her, pull her out of the aisle, place her fingers over where Allie had been wounded, and applied pressure the entire time while the gunman was still shooting," Obama said.
The president said Davies eventually joined others in carrying her friend to an ambulance. He said Young was going to be fine.
"As tragic as the circumstances of what we've seen today are, as heartbreaking as it is for the families, it's worth us spending most of our time reflecting on young Americans like Allie and Stephanie," Obama said. "They represent what's best in us, and they assure us that out of this darkness a brighter day is going to come."
The task of articulating sorrow and loss has become a familiar one for Obama.
In November 2009, he led mourners at a service for victims of the mass shooting at Texas' Fort Hood. In January 2011, he spoke at a memorial for the six victims killed in Tucson, Ariz., when a gunman attacked Rep. Gabrielle Giffords as she met with constituents.
The following April, when some 300 people were killed in a multistate series of tornadoes, Obama flew to Tuscaloosa, Ala., to commiserate with residents whose homes were in ruins. A month later, Obama went to Joplin, Mo., after a monster twister claimed 161 lives.
AP White House Correspondent Ben Feller in Washington and AP writers Steve Peoples in San Francisco and Catherine Tsai in Denver contributed to this report.
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