The queen of country pop sits down with Dan Rather on tonight’s edition of “The Big Interview.” Shania Twain has sold more than 100 million albums worldwide, and has recorded some of music’s biggest hits. Her latest album NOW – her first in 15 years, has already topped the charts at #1, and she’s gearing up for a tour next month.  In this clip, Shania explains why she’s more confident stepping out on stage now than ever before.