Frist Has Busy 1st Day As Majority Leader By ALAN FRAM ASSOCIATED PRESS WASHINGTON (AP) - Sen. Bill Frist was at work shortly after 6 a.m. Tuesday, gave a nationally televised interview an hour later and then went for a four-mile run. By early afternoon, two hours after becoming Senate majority leader, he had won his first floor fight against Democrats. It was the kind of day some lawmakers spend years preparing for. Frist, a Tennessee Republican, had just over two weeks to ready himself to replace Sen. Trent Lott, R-Miss., who abruptly resigned following racially charged comments. "I'm accustomed...