Arnold Isaacs reviews Peter Bergen's "United States of Jihad" and Scott Shane's "Objective Troy," delving into the phenomenon of homegrown terrorism.

Matthew Beattie-Callahan on why America should focus on destroying the "state" of Islamic State, rather than trying to defeat it by destroying its military capability.

Brandee Leon on ISIS' targeting of vulnerable Central Asian migrants in Russia.

Rashid Dar, Columbia student and Islamic seminary graduate, discusses connotations around the word that gives Muslims hope and causes many Westerners fear: "Caliphate."

Lionel Beehner on America's 'Holiday from History' in Africa under President Obama.

Army Captain Justin Lynch on why every time America leaves an undefeated foe on the battlefield it helps them evolve into a better, more dangerous enemy.

Colonel (Ret.) Philip Lisagor argues that the provocative terrorist violence used by ISIS in Iraq, Syria, and elsewhere should not distract us from other political violence nor be the deciding factor on if, when, and where the U.S. decides to act.

Joseph Sarkisian examines funding sources for al Qaeda and ISIS, now the world's richest terrorist group, and finds that interdicting their income sources is easier said than done.