Sleep Expert Shares Strategies for Better Rest | Dolly Parton on Holiday-Themed Children's Book

CBS News medical contributor Dr. Celine Gounder joins "CBS Mornings" to discuss the alarming rise in whooping cough cases.The Supreme Court on Wednesday will hear arguments in a landmark case over gender-affirming care for minors. The case involves a Tennessee law that bans puberty blockers and hormone treatments for kids under 18 who identify as transgender. Similar laws have passed in 24 states over the last three years. CBS News chief legal correspondent Jan Crawford has the latest.Top airline executives will testify to senators Wednesday about extra fees they charge for bags, seats and boarding passes. A recent report found airlines make billions charging for so-called junk fees.A new Gallup poll shows that over half of Americans don't get enough sleep. Sleep psychologist Michael Breus joins "CBS Mornings" to share tips from his new book, "Sleep. Drink. Breathe."Lisa Lisa talks about her unforgettable 80s hits, her journey in music and how her perspective has changed over the years.Dolly Parton joins "CBS Mornings" to unveil her latest children's book, "Billy the Kid Comes Home for Christmas," which features her real-life French bulldog, Billy.