Air Experts in Exile?

The National Transportation Safety Board, the federal agency in charge of investigating air crashes, has had a welcome slow period. There hasn't been a major aviation accident in the U.S. since November 2001. But safety experts are worried about the future. They claim that under the Bush Administration the board has been stripped of most of its aviation expertise and that it will move further in that direction if President Bush's fourth nominee for the five-member board, Deborah Hersman, is approved. Hersman, 33, a Senate aide who has dealt mainly with truck and train issues, will replace current NTSB member John...