Open this photo in gallery: Canadian and American flags fly near the Ambassador Bridge at the border crossing in Windsor, Ont. on March 21, 2020.Rob Gurdebeke/The Canadian Press Missing in action Re “Iced out” (Letters, Feb. 14): Yes, Ukraine should be in NATO, but membership itself may no longer be a guarantee against Russian invasion. NATO can effectively defend one of its member states against Russian invasion only with the full military participation of the United States; with Donald Trump, that is a known unknown. Still, better to be in NATO than not. Reiner Jaakson Oakville, Ont. Fight back Re...