Pentagon chief breaks with Trump, hydroxychloroquine, Warner Music IPO

US defence secretary Mark Esper breaks with Donald Trump on sending the army to clamp down on protests, and his predecessor James Mattis joins the president’s critics. The FT’s Katrina Manson explains why the rift is so significant. Plus, a study casts doubt on whether taking hydroxychloroquine is an effective treatment for Covid-19, and Warner Music scored the biggest US IPO of 2020 on Wednesday. Hosted on Acast. See acast.com/privacy for more information.