Vape Nation is back. President Trump is pressuring the FDA to approve flavored vapes a move that could unlock a market regulators have kept locked down for years. Here are 4 APPROVED FLAVORED VAPES The FDA approved marketing for four flavored vapes made by the company Glas Inc. in what the agency says is an effort to tamp down on underage use The Synthetic Nicotine Loophole Fueling a Return to Teenage Vaping The New York Times Supreme Court hears oral arguments on FDA rejection of flavored vapes