Going to pot – the cannabis conundrum

The sweetly aromatic, or, according to taste, sickly whiff of marijuana is to be breathed on the streets of every major city, in the West, certainly. Governments across North America and Europe, conceding that to go on fighting the retail trade in the drug, at least, is futile, are now struggling to regularise and regulate the business; meanwhile, the billions of dollars generated, in cash, are looking for accounts. MLB correspondents report on a confused journey - Daniel Sekulich, from Toronto; Liz Newmark, in Brussels; Ed Zwirn, New York; and Sarah Gibbons, in London.