Today's show begins with breaking news, with sources telling CNN that an arrest has been made in the DC pipe bomb investigation from nearly five years ago ... An Inspector General report accuses Defense Secretary Pete Hegseth of revealing classified information in that now-infamous Signal chat, potentially putting troops at risk. ... The CDC's vaccine committee is meeting to weigh a major change to the childhood vaccine schedule.    Learn more about your ad choices. Visit podcastchoices.com/adchoices