Texas Gov. Gregg Abbott gave an update Wednesday on the plan to restore power to the many residents still without electricity or safe drinking water after a brutal cold snap wreaked havoc on the Lone Star state’s power grid and caught utility providers flat-footed. Power outages in Texas dropped below a half-million on Thursday morning for the first time in four days, down from about 3 million the day before. Around 7 million Texans are still under an advisory to boil drinking water for safety following days of record-low temperatures that damaged infrastructure and froze pipes. Abbott told a press conference Wednesday that he has ordered natural gas producers in Texas to stop selling fuel outside of the state and to instead supply its power generators in Texas in a bid to restore electricity. He also said more power was being restored to the grid, including via nuclear, coal, and gas-powered …