ENCORE: Morgan Metzer is attacked in her home by a masked intruder disguising his voice to sound like Batman. Her ex-husband comes to her aid, but is he a hero? "48 Hours" contributor Nikki Battiste reports Saturday, Dec. 13 at 9/8c on CBS and streaming on Paramount+.
CBS News chief medical correspondent Dr. Jon LaPook speaks at length with former CDC director Dr. Rochelle Walensky about the Hepatitis B vaccine and last week's vote by the CDC's vaccine advisory panel to change the recommendation for when children should get their first dose of the vaccine.