The fast-food worker strikes are expanding to more U.S. cities and going global. Workers in up to 150 cities across the country are planning to strike on May 15, according to labor organizers. The movement is also headed overseas, with plans for workers to join protests in 33 countries. On Wednesday, the workers announced the protests outside a McDonald's in New York City, and delivered a letter that called on the fast food giant to raise wages and respect workers' rights worldwide. However, security guards didn't allow the workers to bring the letter inside the restaurant. So, they posted the...