• Yellen's not budgin'. Janet Yellen and the Federal Reserve dominated the financial headlines yesterday after deciding to raise interest rates for only the second time since 2006. The Fed chair, who has been a target of criticism from Donald Trump, reiterated that she intends to serve her full four-year term—which ends in February 2018—and said she wouldn't rule out staying on beyond that date. • The power of Power. Speaking at a UN Security Council Emergency Briefing on Syria, U.S. ambassador to the UN Samantha Power unleashed a powerful condemnation of her Syrian, Iranian and Russian counterparts, saying that their nations "bear responsibility for these atrocities" unfolding in Aleppo. I encourage you to take a moment to read her full remarks. CNN • Hertz gets a new driver. Hertz has named Kathryn Marinello,who was most recently a senior adviser to Ares Capital Management, its next president and CEO. Her appointment will add another name to the list of female chiefs in the Fortune 500 and means that two of the tree biggest car rental companies will be led by women (Pamela Nicholson is president and CEO of rival Enterprise.) Fortune • Hacking history. Yahoo has announced the discovery of yet another massive hack. According the Marissa Mayer-led company, this breach affected one billion user accounts, making it even bigger than the incident it disclosed in September (that one affected 500,000 Yahoo accounts) and indeed, the biggest such hack in history. Fortune • Hiring at home. In preparation for the tech leader meeting with Donald Trump yesterday—a gathering that also included Facebook's Sheryl Sandberg and Oracle's Safra Catz—IBM CEO Ginni Rometty made a pledge to hire about 25,000 U.S. workers over the next four years. Fortune MOVERS AND SHAKERS: Christie's CEO Patricia Barbizet is stepping down, as of Jan. 1. | 