Biden says a ‘minor incursion’ into Ukraine will warrant a ‘minor response.’ This is who leads us? Read more at the AP

Why do people question your mental fitness, Mr. President? “I have no idea.” Read more at Mediate

And in other news:

Boris Johnson tells Tory rebels ‘bring it on’ as he vows to fight for his job

Legislator dies using medical suicide law he helped pass

Scientists find potential cure for arthritis pain — by using electricity to regrow cartilage

NFL’s wild-card round TV ratings increase 21% over last year