The pressure is on for companies around the world to put more women on their boards. Diversity advocates have been making a business case for women in high-ranking roles for years. Now blunt-force measures, rather than financial arguments, appear to be moving the needle. The United States, once the leader in female directors, is lagging Europe where mandates have forced corporations to boost the ratio of women holding board seats. In Italy, Germany and several other European nations, the number of women on big company boards has tripled and, in some cases, quadrupled in recent years, according to a new report by the Corporate Women Directors International. Read the original story from The Wall Street Journal.