The Broadsheet: September 18th by Caroline Fairchild @FortuneMagazine 8:25 AM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons Good morning, Broadsheet readers. Fortune today announced its annual list of The 50 Most Powerful Women in Business. Nearly half of the women on our list are CEOs, which is a record. As the list’s editor, Jennifer Reingold writes: “Our women are leading—and in many cases pushing through difficult transformations—in heavy industries such as tech, energy, defense, and autos.” Ever wonder how Fortune picks its Most Powerful Women? Click here for a video explaining how a team of reporters (including yours truly) spend months in an intense vetting process before finalizing the list. Over the coming days, The Broadsheet will dive into the big profiles from our Most Powerful Women issue. Read on and have a POWERFUL Thursday!