World Brief: Three Muslim powerhouses sign a mutual defense pact, Thailand reels from a deadly school shooting, and Abelardo de la Espriella is sworn in as Colombia’s new president

World Brief: Three Muslim powerhouses sign a mutual defense pact, Thailand reels from a deadly school shooting, and Abelardo de la Espriella is sworn in as Colombia’s new president. Link The Middle East Tries Its Hand at a NATO-Style Pact Pakistan, Saudi Arabia, and Turkey pledge mutual defense in the face of aggressive Iranian and Israeli operations.