Fareed Zakaria searches to find the true nature of the relationship between President Donald Trump and Vladimir Putin, and the implications of their relationship for the world.

Clarissa Ward examines the story of 28-year-old Younnes Delefortrie, a former Catholic altar boy from a middle-class Belgian family, who converted to Islam and joined ISIS in Syria.

Nearly two months after spending 28 hours under siege in ISIS-held Mosul, CNN senior international correspondent Arwa Damon and photojournalist Brice Laine return to the embattled city to find out what happened after they escaped.