Donald Trump upended decades of American policy when he started a trade war with China. Many thought that President Biden would reverse those policies. Instead, he’s stepping them up.Jim Tankersley, who covers economic policy at the White House, explains.Guest: Jim Tankersley, who covers economic policy at the White House The New York Times.Background reading: Mr. Biden, competing with Mr. Trump to be tough on China, called for steel tariffs last month.The Biden administration may raise tariffs on electric vehicles from China to 100 percent.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.