2021 filings reveal Pfizer had reason to believe its COVID-19 vaccine's effectiveness waned, although the company did not choose to release the information until months after the revelation.
A criminology professor at Florida State University left his position after it was learned he fabricated data on racism studies by manipulating sample sizes.
U.S. military presence at the Kyiv embassy underscores American involvement in Ukraine, providing security and assisting with accountability of materials.
