 Bill Cook with NASA's Meteoroid Environmental Office. There are calls in Congress by Democrats for New Jersey Senator Bob Menendez to resign following his conviction yesterday on all 16 counts in his bribery and corruption trial. 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 can't