GLASGOW, Scotland -- They knew. From woman to woman, the U.S. Olympic soccer team knew it wasn't over.

The reigning two-time Olympic champions stared down a stunning deficit early against France on Wednesday night and never flinched.

Especially former Stanford star Kelley O'Hara, who looked at Cal alum Alex Morgan and said, "Four goals."

Talk about being spot on. Morgan scored twice in her Olympic debut to help lead a rousing American comeback in a 4-2 victory as the London Games kicked off in famed Hampden Park on a beautiful summer night in Scotland.

The backdrop could not have better for Morgan, 23, who is on the cusp of becoming a breakout star of the Olympics. She did nothing to dissuade that notion after scoring the equalizer in the 31st minute that changed the game's complexion.

But it's not something on the mind of the latest U.S. sensation who didn't start playing seriously until age 14.

"All that is on my mind right now is the Olympics," Morgan said.

That's all anyone could ask on a night the Americans had another heart-stopping exhibition after France took a 2-0 lead before 15 minutes had been played.

The four unanswered U.S. goals were reminiscent of the rallies at the World Cup last year. The United States' players might have lost a step to the technically sound Japanese and French but they possess an intangible that can't be replaced.

They never give in.

"As you saw in the World Cup