5 Stories You May Have Missed This Weekend

— -- 1. Why Attorney General Says ISIS Is More of a Threat Than al Qaeda

The nation's top law enforcement official says the threat from ISIS is so great because the terror group's technologically advanced tactics are "still new to us," and the U.S. government is "still trying to determine the scope" of efforts to radicalize Americans and others around the world.

"It's as serious -- if not more serious a threat -- than al Qaeda," Attorney General Loretta Lynch told ABC News’ Pierre Thomas in an exclusive interview. "It is a dangerous, high-tempo threat environment."

That threat environment comes from ISIS' unprecedented social media campaign on Twitter and elsewhere, using slick advertising and online messaging to encourage followers worldwide to launch attacks at home.

2. Newly Released September 11 Photos Show Vice President Cheney at White House

Photos from Sept. 11, 2001, just released by the U.S. National Archives, capture the raw emotions of the country's leaders as they began to respond to the four terror attacks that were unfolding on U.S. soil, from the World Trade Center, to the Pentagon, to a field in Shanksville, Pennsylvania.

When the first two planes hit the World Trade Center in New York, President Bush was in Florida. So it was Vice President Cheney who first manned the President's Emergency Operations Center at the White House.

3. President Obama Dances With Kenyan Pop Stars Sauti Sol

At the end of a long day of bilateral meetings and news conferences, President Obama celebrated his historic trip to Kenya with an official state dinner and a little bit of dancing.

The Kenyan pop group Sauti Sol posted video of the president stepping with them just before his toast. He joined the VMA and BET Award-winning group, along with his half-sister Auma Obama, National Security Adviser Susan Rice, Kenyan President Uhuru Kenyatta and first lady Margaret Kenyatta.

4. Surgeon Dances With Former Transplant Patient at Her Wedding 10 Years After Life-Saving Surgery

On Christine Taber’s wedding day, the surgeon who helped give her a new lease on life 10 years ago was again tasked with saving the day by becoming an emergency wedding photographer.

"Our photographer for the reception bailed out last minute," Taber told ABC News. "Between being a surgeon, saving my life and taking pictures. ... He’s incredible."

Ever since undergoing a liver transplant at 14, Taber said she knew she wanted to invite Dr. John Fung, director of the Cleveland Clinic Health System Transplantation Center, to her wedding.

"He's been around to make sure I feel confident about my health," she said.

At the wedding, in Cleveland on June 27, the pair even shared a "dollar dance," where anyone can dance for 30 seconds with the bride or groom for a dollar.

5. Hikers on First Date Rescued by Helicopter After Getting Lost in Angeles National Forest

A first date went from adventurous to dangerous when the young pair got lost in the Angeles National Forest in Southern California.

The hikers had a map and a phone with them Friday but got lost in the trails, said the Los Angeles County Sheriff's Department. But they were able to find cell phone service and called the Altadena Sheriff's station, which sent a rescue crew to airlift them.