“As vice president, I get to work with an awful lot of people who devote their lives day to day to public service,” he said. “But it’s not every day you encounter examples of sheer, sheer courage, selflessness and dedication like you see in this couple.”
Jessica Brady contributed to this report.
Correction: Oct. 6, 2011
An earlier version of this story’s headline misstated where Rep. Gabrielle Giffords visited in Washington, D.C., on Thursday.