Gun traffickers have quietly moved what they say is an unprecedented number of weapons from the United States to Mexico. Our reporter Paulina Villegas followed the trail of these guns.

Our Beirut bureau chief, Christina Goldbaum, shows how Israeli airstrikes have affected Lebanon and its capital. Hundreds of thousands of people have fled areas around Beirut and in a huge swath of southern Lebanon after Israel issued evacuation warnings in its conflict with Hezbollah.