The Broadsheet for Dec. 19.: Good morning, Broadsheet readers! Women’s tennis changes its ranking system after Serena Williams’s pregnancy, Martha McSally heads to the Senate after all, and we reflect on the legacy of Penny Marshall. Have a wonderful Wednesday. • Making her dreams come true. There was a collective gasp in the Fortune newsroom yesterday when the news broke that Penny Marshall had died Monday at her home in L.A. She was 75. For most people, Marshall will always be the monogram-sporting, milk-and-Pepsi quaffing half of Laverne & Shirley.