The streets of Kathmandu have quieted, but the echoes of angry young voices still reverberate through Nepal.Three weeks after Gen Z-led protests swept away the South Asian nation’s government, the new interim prime minister, Sushila Karki, faces a daunting challenge: channelling the anger of a disillusioned youth movement into lasting institutional reform while contending with constitutional constraints and the lingering grip of old elites.Karki, a former chief justice and anti-corruption...