Kim Jong Un Takes Historic Step Across Korean Border

The leaders of North and South Korea vowed Friday to seek a nuclear-free peninsula and work toward a formal end to the Korean War this year, though their historic summit concluded with few specifics on how they will reach those ambitious goals.

North Korean leader Kim Jong Un and South Korean President Moon Jae-in set aside a year that saw them seemingly on the verge of war. They grasped hands and strode together across the cracked concrete marking the Koreas’ border.

The sight, inconceivable just months ago, may not erase their failure to provide any new measures on a nuclear standoff that has captivated and terrified millions, but it allowed the leaders to step forward toward the possibility of a cooperative future even as they acknowledged a fraught past and the widespread skepticism that, after decades of failed diplomacy, things will be any different this time.

On the nuclear issue, the leaders merely repeated a previous vow to rid the Korean Peninsula of nuclear weapons, kicking one of the world’s most pressing issues down the road to a much-anticipated summit between Kim and U.S. President Donald Trump in coming weeks.

Still, the summit produced the spectacle of two men from nations with a deep and bitter history of acrimony grinning from ear to ear after Kim walked over the border to greet Moon, becoming the first leader of…