 A closed-door hearing for Wall Street Journal reporter Evan Gershkovich, who is facing espionage charges in Russia. He, his employer, and the U.S. government all vehemently deny the charges. You're listening to ABC News. I'm Kareem Abdul-Jabbar. I learned about atrial fibrillation the hard way. My symptoms would come and go. Shortness of breath, fatigue. I kept going. Then I got so lightheaded, I couldn't breathe.