Former president Donald Trump plans his impeachment defense. Why a new vaccine could be a game-changer. And, the owl pellet economy.Read more:Trump’s legal team unravels as the former president sticks to his script on his false claims of having won the 2020 presidential election. Reporter Josh Dawsey reports on what this means for the impeachment trial.Carolyn Y. Johnson breaks down the single-shot coronavirus vaccine from Johnson & Johnson.Christopher Ingraham’s kids loved dissecting owl pellets. The reporter took note and found out more about the owl pellet economy.