| | Parts of the United States are bracing for record low temperatures on Wednesday, as a blast of Arctic air gripping much of the country spreads further across the Midwest and Eastern states. | | | Farmers from North Dakota to Iowa buckled down for some of the coldest weather in a generation on Wednesday, throwing extra rations to pigs or building igloos for chickens before hunkering down for a day of sub-zero temperatures and bone-chilling winds. | | | New Mexico Governor Michelle Lujan Grisham on Tuesday ordered state officials to develop regulations to reduce methane emissions from its oil and gas industry and separately rollback statewide greenhouse gas output over the next decade. | | | After nearly 30 years on death row, Robert Mitchell Jennings is scheduled to be executed by lethal injection in Texas on Wednesday for killing a police officer during a botched robbery. | | | Los Angeles Mayor Eric Garcetti said on Tuesday he would not join what is likely to be a crowded field of candidates vying for the 2020 Democratic presidential nomination. | | | The FBI has found no clear motive for the killing of 58 people by a sniper firing down at an outdoor concert in Las Vegas in 2017, the agency said on Tuesday as it closed an investigation into the deadliest mass shooting in modern U.S. history. | | | The Los Angeles school board voted on Tuesday to ask state lawmakers for a moratorium on new charter schools in the area, as demanded by a union for more than 30,000 teachers in a six-day strike that ended last week. | | | One of several undercover police officers injured during a drug raid at a Houston home was shot for the third time in his career as he tried to rescue wounded colleagues, city police chief Art Acevedo said on Tuesday. | | | With the U.S. government shutdown over, Lila Johnson returns to work on Friday cleaning bathrooms as an employee of a federal contractor, but unlike those who work directly for the government, she is not getting any of the pay she lost during the month-long hiatus. | | | A blast of Arctic air from the polar vortex brought dangerous, bone-chilling cold to a wide swath of the United States on Tuesday, stretching from the Dakotas through Maine, with snow expected as far south as Alabama and Georgia. | | | | |