Here's what you may have missed this week on 60 Minutes."Slava Ukraini": Ukrainians escaping war and joining the fight cross paths at Polish train stationAmerica's virus trackers show cautious optimism over state of coronavirus pandemic"The only big fear I have is not succeeding": Legally blind 15-year-old Jacob Smith shredding expectations in freeride skiingThe CDC explains how you should approach the next phase of the pandemicRefugees by rail: Ukrainians flee war at home