In a city of monuments, one stands out. This week the Lincoln Memorial turns 100.

A UN treaty failed to ban landmines. Then a “quiet woman” from Vermont went to work.

Nobel laureate Linus Pauling made weapons of war but Ava Helen taught him to wage peace.

The Cold War was at its coldest when Samantha Smith wrote to the Soviet premiere. When he wrote back, the thaw began.

Shunned, mocked, arrested, America’s Peacemakers march on. This month we’ll meet a few of the blessed.