Donald L. Barlett, 88, of Philadelphia, two-time Pulitzer Prize-winning investigative reporter for The Inquirer, award-winning writer and editor for Time Inc. and Vanity Fair magazine, onetime investigative reporter for the Plain Dealer in Cleveland and Chicago Daily News, and best-selling author, died Saturday, Oct. 5, of complications from age-associated decline at his home in Chestnut Hill.Mr. Barlett partnered with fellow investigative reporter James B. Steele for 26 years at The Inquirer and 42 years overall, and what is now the American Journalism Review described them in 1990 as “almost certainly the best team in the history of investigative reporting.” They wrote numerous award-winning exposés on all kinds of topics, won national reporting Pulitzer Prizes for The Inquirer in 1975 and 1989, and in 1999 became the first journalists to have won both the Pulitzer Prize and National Magazine Award.AdvertisementThey won a 1975 Pulitzer Prize for “Auditing the Internal Revenue Service...