What to know about Lindsey Halligan’s big grand jury revelation at James Comey’s vindictive-prosecution hearing

By Hannah Rabinowitz, Holmes Lybrand, Katelyn Polantz, Casey Gannon, CNN (CNN) — The hearing Wednesday morning in the case against former FBI Director James Comey ended with a revelation by prosecutors and a conundrum: if a full grand jury never reviewed the final set of charges handed up against Comey, are they void? The question