Government regulations

FILE - In this July 27, 2018, file photo, the Dave Johnson coal-fired power plant is silhouetted against the morning sun in Glenrock, Wyo. The Trump administration is close to completing one of the biggest of its dozens of rollbacks of environmental rules, replacing a landmark effort to wean the nation’s electrical grid off coal-fired power plants and their climate-changing smokestack emissions. (AP Photo/J. David Ake)

In this Tuesday, June 18, 2019, photo, pro life demonstrators gather outside the Victorian State Parliament, opposing the voluntary assisted dying laws, in Melbourne. Voluntary euthanasia became legal in an Australian state on Wednesday, June 19, more than 20 years after the country repealed the world's first mercy-killing law for the terminally ill. (James Ross/AAP Image via AP)

FILE - In this May 22, 2019, file photo, an opponent of a measure to toughen the rules for vaccination exemptions gives a thumbs down as the bill's author, state Sen. Richard Pan, D-Sacramento, makes his closing statements in Sacramento, Calif. California Gov. Gavin Newsom and Pan have agreed to limit the role of public health officials in approving doctors' vaccine decisions. But the health officials will increase their oversight of doctors and schools with high numbers of medical exemptions. Sen. Richard Pan announced the changes Tuesday, June 18 after Newsom said he had doubts about giving state public health officials instead of local doctors the authority to decide which children can skip their shots before attending school. (AP Photo/Rich Pedroncelli, File)

In this Monday, June 17, 2019, photo, Joshua Ni, 24, and Fritz Ramirez, 23, vape from electronic cigarettes in San Francisco. San Francisco supervisors are considering whether to move the city toward becoming the first in the United States to ban all sales of electronic cigarettes in an effort to crack down on youth vaping. The plan would ban the sale and distribution of e-cigarettes, as well as prohibit e-cigarette manufacturing on city property. (AP Photo/Samantha Maldonado)

This Feb. 22, 2019, photo shows the exterior of the Golden Nugget casino in Atlantic City, N.J. New Jersey lawmakers have introduced a bill that would enable the casino to accept sports bets on NBA games that do not involve the Houston Rockets, which casino owner Tilman Fertitta also owns. The Golden Nugget is currently prohibited from taking any NBA bets because of Fertitta's ownership of the Rockets. (AP Photo/Wayne Parry)

FILE - In this April 4, 2013, file photo, Facebook CEO Mark Zuckerberg walks at the company's headquarters in Menlo Park, Calif. Facebook’s plan to create a digital currency used across the world is already raising concern with financial regulators and privacy experts. (AP Photo/Marcio Jose Sanchez, File)

FILE - This Nov. 27, 2015 file photo shows two marijuana buds displayed for a customer in Denver. A government report released on Tuesday, June 17, 2019 shows that pot use in pregnancy has doubled among U.S. women and is most common during the first trimester. (AP Photo/David Zalubowski, File)

FILE - This combination of Dec. 13 and 17, 2018 photos shows the Utah State Capitol during clear and an inversion day in Salt Lake City. Inversions hover over Salt Lake City as cold, stagnant air settles in the bowl-shaped mountain basins, trapping tailpipe and other emissions that have no way of escaping to create a brown, murky haze the engulfs the metro area. After decades of getting ever cleaner, America’s air quality seems to be stagnating. In 2017 and 2018, the nation had more polluted air days than just a few years earlier, federal data shows. While it remains unclear whether this is the beginning of a trend, health experts say it’s a troubling development. (AP Photo/Rick Bowmer)

FILE - In this April 25, 2019, file photo an address sign for Facebook Way is shown in Menlo Park, Calif. Facebook unveiled a broad plan Tuesday, June 18, to create a new digital currency. (AP Photo/Jeff Chiu, File)

FILE - In this June 4, 2019, file photo, Kelsey Rose Juliana, of Eugene, Ore, speaks at a rally for a group of young people who filed an environmental lawsuit against the U.S. government in Portland, Ore. Oregon is on the precipice of becoming the second state after California to adopt a cap-and-trade program, a market-based approach to lowering the greenhouse gas emissions behind global warming. (AP Photo/Steve Dipaola, File)