Pakistan’s new Prime Minister Shehbaz Sharif was sworn-in on Monday to face daunting economic challenges and political instability in the country. President Arif Alvi administered the oath at a ceremony in the capital Islamabad, which was broadcast live on national television channels. Political and military leaders, former sports stars and diplomats participated in the ceremony at the presidential palace. Sharif, the 72-year younger brother of three-time former prime minister Nawaz Sharif, would be serving his second term as chief executive of the country. In 2022, he had replaced former prem…