Phil Keoghan gives fans a sneak peek at season 2 of "Tough as Nails", in which a new batch of everyday Americans have their strength, endurance, life skills and mental toughness challenged in a series of competitions that take place at real-world job sites. Tune in to the season 2 premiere of "Tough as Nails" on Wednesday, February 10, at 8 p.m. ET/PT on Global.
