problems around the world for decades into the future. so we need to do something about this. if that s the case when what you re arguing is that size matters. yes, indeed. that is the whole story here. size matters. we ve identified the very big ones that could destroy the planet outright. we know that there s nothing we have to worry about for at least 100 years. however, it s the smaller ones that we haven t built detectors for that could ruin an entire region or maybe a small country. and it s those that we have to be able to pick up and do something about sooner than later. derrek pitt, thank you for your time. appreciate your knowledge on this, okay? thank you. sleep well tonight. thank you very much. ukraine s leader is ordering a new push against prorussian troops in the eastern part of that country. across the border, an estimated tens of thousands of russian soldiers in position waiting their orders. a live report from eastern ukraine on the next move. you, my frien