Government regulations

Pete Buttigieg, left, speaks with the Rev. Al Sharpton at a breakfast event on Thursday, November 21, 2019, in Atlanta. Buttigieg, along with Cory Booker, Amy Klobuchar, Andrew Yang and Tom Steyer, all presidential hopefuls, spoke at the event hosted by the Sharpton's National Action Network. (AP Photo/ Ron Harris)

FILE - In this Friday, Oct. 4, 2019 file photo, a woman using an electronic cigarette exhales a puff of smoke in Mayfield Heights, Ohio. Massachusetts lawmakers have approved the nation's toughest restrictions on flavored tobacco and vaping products, including menthol cigarettes. The ban was passed by the Senate early Thursday, Nov. 21, before the legislature broke for a holiday recess. It had earlier been passed by the state House of Representatives. (AP Photo/Tony Dejak)

This 2014 photo provided by The University of Texas MD Anderson Cancer Center shows Stephen Hahn. President Donald Trump’s nominee to lead the Food and Drug Administration sidestepped questions on the future of a 2-month-old plan to ban most flavored e-cigarettes. Hahn told Senate lawmakers on Wednesday, Nov. 20, 2019, that a recent wave of underage vaping is an “urgent, important crisis” and demands “aggressive action.” But he said he wants to review more data before deciding on an approach. (The University of Texas MD Anderson Cancer Center via AP)

FILE - In this Dec. 18, 2018 file photo, one of the test vehicles from Argo AI, Ford's autonomous vehicle unit, navigates through the strip district near the company offices in Pittsburgh. The nation’s road-safety regulator is under fire again for what critics call lax oversight of tests involving autonomous vehicles. The nation’s top transportation safety investigator said Tuesday, Nov. 19, 2019, that the National Highway Traffic Safety Administration doesn’t give enough direction to companies developing more automated cars. (AP Photo/Keith Srakocic, File)

In this photo issued by ITV, Jeremy Corbyn, right, and Boris Johnson, during the election head-to-head debate live on TV, in Salford, Manchester, England, Tuesday, Nov. 19, 2019. Prime Minister Boris Johnson and leader of the opposition Labour Party Jeremy Corbyn are set to go head-to-head in their first live televised debate Tuesday evening, as the UK prepares for a General Election on Dec. 12. (ITV via AP)

Pacific Gas & Electric CEO Bill Johnson waits to appear before a state Senate oversight hearing of the Energy, Utilities and Communications committee, at the Capitol in Sacramento, Calif., Monday, Nov. 18, 2019. Johnson is scheduled to testify before lawmakers about the utilities' decision to turnoff power for millions of people to prevent California wildfires. (AP Photo/Rich Pedroncelli)

FILE - In this Friday, Oct. 4, 2019, file photo, a man using an electronic cigarette exhales in Mayfield Heights, Ohio. On Tuesday, Nov. 19, 2019, the American Medical Association said it is calling for an immediate ban on all electronic cigarette and vaping devices. (AP Photo/Tony Dejak, File)