While the U.S. won't use the word "blockade" it sure looks like that's what it's doing to anyone trying to ship oil into Cuba. The situation is dire and Cuba seems to be teetering on the edge of a humanitarian crisis. Should Canada help? Could it help? That's one of the topics for Dr. Janice Stein on her regular Monday commentary. Also up for discussion: Iran, Ukraine and the U.S. Supreme Court's slap down of Donald Trump on tariffs.

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