Thailand's parliament elected political neophyte Paetongtarn Shinawatra as its youngest prime minister on Friday, only a day after she was thrust into the spotlight amid an unrelenting power struggle between the country's warring elites.The 37-year-old daughter of divisive political heavyweight Thaksin Shinawatra sailed through a house vote and now faces a baptism of fire, just two days after ally Srettha Thavisin was dismissed as premier by a judiciary central to Thailand's two decades of intermittent turmoil.THAI POLITICS BRACES FOR SHAKEUP AFTER COURT DISMISSES PM SRETTHA THAVISINAt stake for Paetongtarn could be the legacy and political future of the billionaire Shinawatra