Bitcoin's big week

Federal regulators are letting the cryptocurrency move one step closer to legitimacy. POLITICO's Kellie Mejdrich reports. Plus, the State Department's Inspector General launches investigations into the end of diplomatic operations in Afghanistan. And Trump sues the Jan. 6 committee. Kellie Mejdrich is a financial services reporter for POLITICO. Jeremy Siegel is a host for POLITICO Dispatch. Irene Noguchi is the executive producer of POLITICO audio. Jenny Ament is the senior producer of POLITICO audio. Raghu Manavalan is a senior editor for POLITICO audio.