Updated at 8 p.m. ET: NEW YORK - A suspected terrorist parked a van packed with what he thought was a 1,000-pound bomb next to the Federal Reserve building in Lower Manhattan and tried to detonate it Wednesday morning before he was arrested in a terror sting operation, authorities said. The suspect, 21-year-old Quazi Mohammad Rezwanul Ahsan Nafis, is a Bangladeshi national who came to the U.S. on a student visa in January for the specific purpose of launching a terror attack here, authorities said. He allegedly told an undercover agent last month that he hoped the attack would disrupt...