China, according to US President Joe Biden, is “deadly earnest” about becoming the world’s most “consequential” nation. In this week’s podcast, the team analyses Biden’s first speech to a joint session of Congress. Also, reports of China’s “declining” population are refuted by Beijing even though it has yet to release new figures. SCMP China Desk reporter Sarah Zheng looks behind Beijing’s mask diplomacy and India’s snub of pandemic relief from border rival China.