Leaked intelligence documents suggest a challenge for Ukraine's air defense; The Day 6 Twitter account's blue check mark says goodbye; how Brownie Wise turned Tupperware into to a business empire powered by women; activist investors question Scotiabank’s outsized investment in a controversial Israeli weapons company; new podcast helps people support the victims of gender-based violence; Mike Sacks remembers legendary MAD Magazine cartoonist Al Jaffee; and more.