Winner of $1.3 billion Powerball jackpot is cancer-battling immigrant from Laos

46-year-old Cheng Saephan was revealed on April 29 to be the winner of this month's $1.3 billion Oregon Powerball jackpot. Cheng, born in Laos, immigrated from Thailand to Portland 30 years ago. He has fought cancer for nearly 8 years.