A Missouri man, Christopher Dunn, was convicted of a murder three decades ago. Two men who claimed they saw Dunn shoot a man have admitted they lied at trial as teens. So why is Dunn still in prison? It comes down to a bizarre quirk in Missouri law. CBS News and "48 Hours" correspondent Erin Moriarty explains. Iceland has declared a state of emergency and evacuated thousands of citizens in anticipation of an imminent volcanic eruption. The Reykjanes peninsula region has experienced hundreds of earthquakes and tremors in recent days. Seismologists warn that means an eruption is very likely. CBS News' Chris Livesay reports. Here's a sneak peek of tonight's prime-time special "JAY-Z and Gayle King: Brooklyn's Own," airing Tuesday, Nov. 14, at 9 p.m. ET/PT. The special will include never-before-seen highlights from a rare, wide-ranging interview with hip-hop star, business mogul and activist JAY-Z.In her new memoir, writer and artist Frieda Hughes, daughter of poets Sylvia Plath and Ted Hughes, chronicles how rescuing a magpie named George changed her life. CBS News' Anthony Mason visits Hughes' home in Wales to talk about the book, "George: A Magpie Memoir," her art and how she finally created the home she always longed for. Actor, talk show host and author Jada Pinkett Smith joins "CBS Mornings" to discuss her new memoir "Worthy" about her rebellious childhood, mental health struggles and marriage to Will Smith. She shares where things stand now in their relationship. Transgender activist Raquel Willis joins "CBS Mornings" to discuss her new memoir "The Risk It Takes to Bloom."See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.