Monster storm system sparks deadly tornado outbreak in Gulf Coast and Southeast; Secretary Austin hospitalized for prostate cancer treatment complications: Walter Reed officials; Trump's lawyer urges court to find him immune from prosecution for efforts to overturn election; and more on tonight's broadcast.

Closing arguments in Trump New York civil trial; Hunter Biden pleads not guilty in federal court; Avalanche survivor says ‘no doubt' he thought he would die; and more on tonight's broadcast.