44K views · 452 reactions | MOUNTING SETBACKS: President Donald J. Trump is indicating he wasn’t aware of the growing furor over his National Security Advisor Michael Flynn, who is coming under fire for conversations he had with Russia before the inauguration. David Wright reports. | ABC World News Tonight with David Muir | Facebook

ON THE OFFENSIVE: With the FBI’s new email investigation involving Hillary Clinton, Donald J. Trump is trying to stay on message – with polls showing a narrow possible path to victory. Tom Llamas reports and Jonathan Karl breaks down the battleground map. http://abcn.ws/2fxXQbg | ABC World News Tonight with David Muir

94K views · 549 reactions | As The Trump administration marks its first 100 days, it is facing a deadly measles outbreak across multiple US states. Dr. Sanjay Gupta answers your questions about how to protect young infants and when is the best time to have your child vaccinated against the disease. Read more about the measles outbreak in the US at the link: https://cnn.it/44pRQsN | CNN | Facebook