Russia's use of a nuclear weapon in Ukraine would be catastrophic, but not solely because of the physical damage the it would cause, Paul Poast writes.
"I think this is part of a process that North Korea is carrying out, to try to normalize their weapons programs over all," Karl Friedhoff tells BBC World News.
Results from the 2022 Chicago Council Survey show Americans want to keep supporting Ukraine for as long as it takes, despite inflation concerns at home.