u.s. prosecutors are now saying they are going to do another trial against the company. they're prepping for that on related fraud charges. the company itself tells cbs news that they are prepping for every kind of defense and will fight against every allegation. ramy inocencio, cbs news, hong kong. >> yuccas: what a story. thank you. what's being called a once-in-a-lifetime global concert kicked off today, all of it streaming on social media. ♪ ♪ ♪ >> yuccas: the black eyed peas got things started in paris. you see them there. 60 artists will perform in cities around the world, including billie eilish and ed sheeran. the 24-hour event aims to raise awareness about climate change, vaccine inequality, and famine. straight ahead on the "cbs weekend news," how some women in texas are getting around the state's restrictive new abortion law. also, timber tower: why wood is replacing steel and concrete on some high-rise construction sites. and later, make your move: how the game of chess is teaching