Morning News: Two-thirds of the country will soon be in the grip of a bitter arctic blast. The 2020 presidential race could see a big shakeup soon.

Millions of Americans are facing record breaking cold temperatures with widespread snow in the forecast. Freeze warnings are up as far south as Mississippi. New York's billionaire former Republican mayor is taking steps to run for president, as a Democrat. Lawyers for the whistleblower who revealed the phone call at the heart of the impeachment inquiry are telling President Trump to back off. Newly-released voice messages reveal the heart-wrenching moments after this week's massacre of nine Americans in Mexico. The search for a missing five-year-old girl is intensifying, after her mother stopped cooperating with police. The Secret Service says American schools still are not doing enough to identify at-risk students, to keep others safe from shootings.