(Bloomberg) -- The gang members who used to prey on the coffee growers of the Balsamo mountain range are all gone — jailed, shot dead, or on the run under the security crackdown that made El Salvador’s Nayib Bukele among the world’s most popular leaders. Most Read from BloombergNYPD Car Chases Are Becoming More Frequent — and More DangerousWith the gangs dismantled and their extortion rackets no more, a huge obstacle to development has been lifted, and the farmers of the region’s rich volcanic s