what we might be able to do to back fill their needs. >> duncan: the fighting drives the biggest exodus in europe since world war ii. cbs morning's tony dokoupil is in poland. >> the one thing everybody wants, that no one can give, is a sense of when this could end. >> duncan: also tonight: deadly destruction. several people killed after tornadoes tear through iowa. plus, beltway protests. a trucker's convoy fuels gridlock in washington d.c. and later, weekend journal, ukrainians and russians unite, sharing the stage, hoping for peace. >> i think about my family each and every second. ♪ ♪ ♪ this is the "cbs weekend news" from new york, with jericka duncan. ♪ ♪ ♪ >> duncan: good evening and thanks for watching. tonight russian forces are intensifying air strikes and shelling of cities across ukraine. their targets reportedly include civilians. today, u.s. secretary of state anthony blinken said russia's