Bloomberg Businessweek, Marketing Management, Forbes and Fortune can all be accessed through the Business Source Premier database.
The Wall Street Journal can be accessed through the Factiva and ABI/Inform databases.
The Washington Post can be accessed through the Factiva database.
*Note: Many of these databases will require you to enter a search term before it will produce content. To browse the WSJ, click News Pages, then Factiva Page and you will be able to browse a selection of current papers.