Fighting Famine: In South Sudan, 5M people don't know where their next meal is coming from and, of them, 100,000 are starving and face death. If not for humanitarian efforts, millions could die.You're Fired: 60 Minutes investigates how some businesses have fired American workers and replaced them with cheaper labor: temporary, foreign workers with H-1B visas.New Kid on the Street: 60 Minutes visits "Sesame Street" for the first time and films the debut of their new Muppet character, Julia, who has autism.