December 7: Candidates clash at GOP debate. Search for answers in UNLV shooting. Remembering Norman Lear. “Yellowstone” battle brewing.

<p>Top moments and highlights from last night’s fourth GOP debate in Alabama – with frontrunner Donald Trump absent once again. Also, the latest on the mass shooting at the University of Nevada that killed three and injured more. Plus, remembering the life and legacy of television legend Norman Lear who passed away at the age of 101. And, “Yellowstone” creator Taylor Sheridan sues star of the show Cole Hauser’s coffee company for alleged trademark infringement.</p>