The F.A.A., citing “a grave risk of fatalities” from a new technology being used on the Mexican border, got caught in a stalemate with the Pentagon, which deemed the weapon “necessary.”

He speaks English. She speaks Mandarin. The secret to their happy marriage: Microsoft Translator.

The cricket-mad South Asian neighbors have a bitter history, punctuated by violence and wars. It makes this one of the fiercest, and most financially lucrative, rivalries in sports.