On The 21st: Facebook is facing scrutiny after accusations that British consulting firm Cambridge Analytica used private data from people’s accounts to create political ads. We talk data breach, Facebook and social media. Also, new plans are in the works for an O'Hare overhaul. What's in store? And, we spoke with Republican Congressman Rodney Davis about taxes, gun control and his upcoming general election campaign against Democrat Betsy Dirksen Londrigan.