5:48 p.m. ET: Aimee Copeland, the young woman who lost her hands, both feet and her entire right leg to flesh-eating bacteria last spring, made her public debut today by walking - painstakingly - onto the set of Katie Couric's new show where she was received with a standing ovation.

Read the full details of the heartwarming moment HERE

Credit: ABC News

3:04 p.m. ET: Obesity is widely known epidemic in the United States, but it's not just affecting people. It's also hurting our pets.

Credit: Facebook

Meet Obie, a 5-year-old morbidly obese daschund, who weighs 77 pounds, quite a load for its stumpy legs. Obie is going on an extreme diet. Read the full story HERE

Earlier this year, "Nightline" the Morris Animal Inn in New Jersey, a "doggie fat camp" that provides an intense canine fitness program. Perhaps Obie could benefit from their program. Watch what happened:

1:27 p.m. ET: During Monday night's season 3 "MasterChef" finale, Christine Ha won the title, $250,000 grand prize and a cookbook deal, beating out Josh Marks and about 100 other chefs . But that's not what makes her so inspiring. Ha is blind - the first blind contestant on the show.

Read the full story HERE and watch how Christine cooks on "Nightline" tonight

Credit: Courtesy Christine Ha

10:01 a.m. ET: "Today we remember a day that began like so many others… God bless the memories of those we lost, and God bless these United States of America" - President Obama, speech at the 9/11 anniversary memorial at the Pentagon, Sept. 11, 2012.

9:27 a.m. ET: "This is a day when all Americans from every walk of life unite in our resolve for justice and peace. America has stood down enemies before, and we will do so this time. None of us will ever forget this day, yet we go forward to defend freedom and all that is good and just in our world." - George W. Bush, address to the nation, Sept. 11, 2001.

11 YEARS LATER: Intelligence sources tell ABC News that there is no "credible or specific" information that al Qaeda or any other terrorist organizations are plotting attacks timed to coincide with the 11th anniversary of 9/11. Read the full story HERE.

Credit: AP Photo

LIVE COVERAGE of the 9/11 anniversary events today: http://abcnews.go.com/US/September_11/

"Nightline" anchor Terry Moran tweets:

"Nightline" anchor Cynthia McFadden tweets: