USA Today The 2018 farm bill that legalized hemp created a loophole for an unregulated copycat of marijuana. A form of delta-9 THC — the psychoactive substance in pot — doesn’t face the same laws and regulations as marijuana because it comes from hemp. The drug is poised to upend the cannabis industry. ST. LOUIS — It was not shocking that people listening to musicians … [Read more...] about What looks like pot, acts like pot, but is legal nearly everywhere? Meet delta-9 THC.