KANSAS CITY, Mo. (AP) — Alongside their flags, jerseys and songs, fans at World Cup matches are bringing along their cups and straws to share a sip of yerba mate as they root on their national teams. The caffeinated beverage that is ubiquitous in some South American countries has spread alongside the multicultural appeal of soccer, including in the United States, where it’s become a drink of choice for star athletes on the pitch and off. When reigning World Cup winners Argentina arrived at