Even with new polling showing significant disapproval among Americans of Donald Trump's handling of the economy, Trump's indifference to tanking the stock market did not waver. But when his ill-considered tariff scheme began to affect the bond market, even Trump knew it was time to dial back his one-man global trade war.

From his cluelessness about critical cuts made to his agency, to his celebration of dangerous quackery, Robert. F. Kennedy Jr., Donald Trump's HHS secretary, is distinguishing himself as not only incompetent but dangerously so, leading a department with lives at stake. Rachel Maddow reports.