Neil deGrasse Tyson explores the cosmos in his new book, "Merlin's Tour of the Universe," where he answers readers' questions on galaxies, black holes and more. He joins "CBS Mornings" to share more his cosmic journey.
Rosie O'Donnell's therapist urged her to "detach" from posting about President Trump for two days -- but the comedian caved within hours and was back to bashing her longtime nemesis on social media. ...