Heidi Thomas talks about testifying against Bill Cosby in his sexual assault trial, and a larger message to other victims of sexual assault: There is power in coming forward. Then, what a Moody’s warning means for Denver’s commuter rail system.The InSight lander, built in Colorado and scheduled to launch Saturday, wants to find out if there are Marsquakes. And singer and guitarist Erin Roberts, who performs as Porlolo, talks about the motivation for her new recording, “Awards.”