The lone grid state
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Understanding the freezing weather sweeping across the United States \\u2014 and why Texas\\u2019s independent power grid was doomed to fail in its wake. Plus, NASA tries to land a car on Mars.
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At least 14 people are dead in four states after a record-breaking cold snap swept through parts of the United States. Meteorologist Matthew Cappucci explains the science behind the freezing temperatures \\u2014 and why the country might be bracing for more.
Will Englund reports on how the Texas power grid got crushed because its operators weren\\u2019t prepared.
NASA\\u2019s Mars rover, Perseverance, could be in for a bumpy landing Thursday. But if it survives the \\u201cseven minutes of terror,\\u201d Perseverance could hold the key to future exploration of the Red Planet.
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