CNN – While Japan’s economy continues to falter, lawmakers are betting big that the casino industry can swoop in and lift it out of the doldrums. Gambling is currently illegal in Japan, though many play pachinko, a quintessentially Japanese game often likened to pinball. While cash prizes are forbidden, many pachinko parlors work on a gray economy where prizes are exchanged — off-premises — for hard currency. This week, a major conference focusing on the future of the industry opened in Tokyo. It comes at a time when key legislation is being pushed through Japan’s parliament that could pave the…