A dramatic escalation in the US-China trade war sent markets reeling this week and raised fears of a prolonged economic standoff between the world’s two largest economies. Both sides seem to be playing a game of chicken, unveiling new rounds of retaliatory tariffs almost daily. And American businesses and consumers, as well as American allies and trading partners, are struggling with tariff whiplash, wondering how to adjust to policy swings with little warning or consistency. Meanwhile, diplomats are scrambling to prepare for renewed talks over Iran’s nuclear program set to begin this weekend. Some are hopeful for a breakthrough while others are skeptical that real progress can be made amid rising regional tensions and growing domestic political pressures. Prashant Rao, Liz Sly, and Giles Whittell join Ivo Daalder on World Review to discuss the impact of this week's unpredictable economic policies and rising geopolitical tensions.