The Washington PostThe Washington Post has a tight paywall. You may register for a free account, which will give limited access. To read beyond your limit, you will need to route through the Library website. The link above connects to "Factiva," the database you will need to use. Before searching, limit the Source field to "Washington Post - All Sources."
If you know the article you need: Search the full title, and include author/date if you know it. To browse: Search by keywords. Vary your terms and apply date limits as needed.
As an alternative, consider subscribing to The Washington Post for the semester. The current subscription rate is $1/week for up to 12 mos.