Maangchi's career was born when her son suggested she start making videos of herself cooking Korean dishes.
The White House announces Thursday that 10 states will receive waivers from the No Child Left Behind law.
Under the deal, the states must show they will prepare children for college and for the workplace. It sets new targets for achievement, rewarding the best performing schools and helping the schools that are not performing.
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.