CDC messaging, de minimis, Ukraine and Hurricane Katrina

The White House announces a new leader for the CDC as staffers lash out at vaccine messaging. The de minimis duty-free exemption for low-value import packages to the U.S. ends. We look at Trump's frantic dash for Ukraine peace. And New Orleans marks the 20th anniversary of Hurricane Katrina.  Sign up for the Reuters Econ World newsletter here. Listen to the Reuters Econ World podcast here. Find the Recommended Listen here. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices