Editor's Note: In an American Morning original series, "Big Stars, Big Giving," CNN National Correspondent Alina Cho looks at celebrity philanthropy and how these big stars can make a big impact. Here are some behind-the-scenes photos of Alina Cho's interview with pop star Justin Bieber on his many fundraising efforts with the Make-A-Wish Foundation, Pencils … Continue reading Big Stars, Big Giving: Gallery of behind-the-scenes photos from Justin Bieber interview