Eschenbach FDA chief--not yet.(Food and drug administration)(Brief article)

BETHESDA, Md. -- Pres. George W. Bush ended widespread industry speculation Wednesday by nominating acting Food and Drug Administration commissioner Andrew von Eschenbach for the permanent job.

However, Sens. Patty Murray (D-Wash.) and Hillary Rodham Clinton (D-N.Y.) followed up the nomination by announcing they have placed a hold on the confirmation vote, which they said they will maintain until the FDA makes a …