Welcome to the "Nightline's" live blog, where the staff share interesting tidbits throughout the day.

6:35 p.m. ET: "Nightline" followed 14-year-old Miko Fogarty through her third Grand Prix Ballet experience, where she competed against 5,000 dancers. She has her heart set on getting a scholarship from the Royal Ballet. Watch the video:

2:49 p.m. ET: WHOA! A double rainbow AND a lightning bolt. hotographer Steve Vaughn took the picture as thunderstorms moved through Hamilton, Ohio. Meteorologists say this photo is very rare.

Credit: Steve Vaughn/AP Photo

12:17 p.m. ET: What if a pirouette could bring world peace?  What if a cartwheel could change the world? ABC's John Berman talks with the cast of the hit Broadway musical "Newsies," and explains how the plot, set in 1899, has re-energized a new protest generation.

11: 51 a.m. ET: From the ABC News Investigative Unit:

Osama bin Laden asked that Al Qaeda form hit squads to kill President Obama and General David Petraeus, but that Vice President Biden be spared because Biden is "totally unprepared for the presidency" and making his president by killing Obama would "lead the U.S. into a crisis."

Full story HERE.

9:57 a.m. ET: Meet Kimberly Koerth, the 15-year-old from Arizona, who will graduate from college before she graduates from high school. Explained:

8:33 a.m. ET: To prove a point in her report about extreme airbrushing in fashion magazines, ABC's  Linsey Davis had her professional photo airbrushed. This before and after shows the striking difference between the original and the Photoshopped image.

Credit: ABC/Roger White