Growing up, Moni Avello struggles to understand her younger sister, who has Asperger syndrome.
Read MoreAmanda Gorman: My voice, my power
Growing up, Amanda Gorman is determined to eliminate her speech impediment.
Read MoreMaureen Boyle: The Right Words
Neuroscientist Maureen Boyle's relationship with her sister, who struggles with drug addiction, becomes even more complicated when she begins working on drug policy.
Read More