Nikki Haley hopes to stop Donald Trump's march to the GOP nomination in New Hampshire – we look at why she needs to win to keep her campaign alive. Attorney General Merrick Garland addresses Trump's 2020 election subversion case. Tensions continue to rise at the local, state and federal level over the southern border. There are concerns North Korea could be preparing to take advantage of global conflicts. Plus, Detroit is expecting an economy boost and Buffalo, NY is bracing for snow ahead of the NFL playoffs this weekend.
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CNN 5 Things