Domestic extremists and foreign actors threaten energy infrastructure, officials warn; Reporter's Notebook: Are we subjects in a social media experiment?
Lindsey Reiser reports on the fallout from a Trump Administration group chat, potential cybersecurity concerns surrounding Signal, and tariffs on countries that buy Venezuelan oil and gas.
Tensions flare at Senate hearing in fallout from explosive article in The Atlantic; President Trump's portrait to be taken down at Colorado Capitol after criticism.