What can Mark Carney accomplish in China?

Prime Minister Mark Carney is off to Beijing -- and a former Canadian ambassador to China tells us he'll need to balance security and human rights concerns on one side, and the need for new trade commitments on the other.Dozens of high-level economic officials in the U.S. come to the defence of Federal Reserve Chair Jerome Powell -- who says criminal allegations are just part of Donald Trump's attempt to politicize the central bank. The executive director of Kashechewan First Nation is racing to get people out after its water treatment plant failed. He says help -- and a permanent fix -- can't come fast enough.It's still true that microplastics are pretty much everywhere -- but our guest says some high-profile assertions about their impact on the human body may have been overblown. The U.S. Postal Service recognizes Muhammad Ali with an official stamp -- and his widow tells us she's pleased as punch. Good news for the flightless parrot known as the kakapo -- a bumper crop of berries means a future bumper crop of baby kakapos.As It Happens, the Tuesday Edition. Radio that's kind of a chick magnet. Radio that looks forward to a rise in helicopter parroting.