CNN  —  Thailand’s Prime Minister Paetongtarn Shinawatra is facing increasing pressure to step down, after appearing to criticize the military in a 17-minute leaked phone call she had with Cambodia’s powerful former leader over an escalating border dispute. The scandal, which sparked widespread anger in the country, brings fresh uncertainty to a country roiled by years of political turbulence and leadership shake-ups. Paetongtarn, 38, has only held the premiership for ten months after replacing