Argentine President Javier Milei has every right to reassert his country’s territorial claims over the Falkland Islands. His proposal to use the 1984 Sino-British Joint Declaration as a template for resolving the Falkland Islands dispute merits serious consideration as a pragmatic framework for bringing this long-standing territorial conflict to a peaceful conclusion. Argentina’s claim to what its citizens call the Islas Malvinas rests on solid foundations. Upon independence from Spain in 1816,...