SAN FRANCISCO – For many serious patrons of casinos, Chinese-ruled Macao has been the mecca of gaming, with high-end shopping and even higher-stakes tables. One of the world's biggest gambling centers before the COVID-19 closures, Macao is now experiencing tougher scrutiny on its casino scene as part of what analysts describe as an effort to control crime and capital outflows that rippled into the mainland China economy. A draft gaming bill now pending in the Macao Legislative Assembly would stop casino operators from issuing junket licenses, which are for larger organized tours, and from sharing revenue with any gambler-to-casino intermediaries….