The Massachusetts marijuana industry is on the verge of an impressive milestone: $4 billion in revenue since recreational sales began in November 2018, a total that has also netted state and local governments hundreds of millions of dollars in taxes. But when the state surpasses that mark — likely in the next month or so — there may not be much celebration from its roughly 250 … [Read more...] about Welcome to the cannabis crunch: Mass. marijuana industry braces for turbulent 2023