Treasury Secretary Scott Bessent says there is good progress but China has come with "very aggressive asks". Also on East Asia Tonight: Australia and Papua New Guinea sign landmark defence pact allowing citizens serve in each other's militaries; why China is building a nature reserve on a contested reef in the South China Sea; and who is benefiting from Trump's "war on science"? 00:00 Headlines 01:33 US-China TikTok deal 21:43 Australia-PNG defence deal 22:49 Bill Hayton on China's Scarborough