Information-sharing between Western governments about the identities of those who have traveled to Syria and have received militant training is the key to preventing more incidents such as the one at the Jewish Museum in Brussels.

It is very much in America's national security interests to ensure that the Taliban do not dominate Afghanistan and that neither ISIS nor al Qaeda continues their growth in the country.

A key flaw of the Obama administration's approach to Afghanistan has been constantly announcing proposed withdrawal dates for U.S. forces, which has enabled the Taliban to believe they can simply wait out the clock.

Peter Bergen Quotes