First: The world is honoring the incredible life and legacy of former President Jimmy Carter, who died yesterday at the age of 100. Phil Mattingly talks to an acclaimed journalist who covered the 39th president for more than five decades. 

Plus: Donald Trump just offered a belated Christmas gift to Mike Johnson - a "complete and total endorsement" to continue as Speaker of the House. 

And: The richest man in the world says he's willing to "go to war" on a critical immigration issue. 

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