egendary cosmonaut Alexei Leonov, the first human to walk in space — an experience that almost killed him — and later the commander of the Russian Soyuz spacecraft that docked with a NASA Apollo capsule, symbolizing a historic thaw in the Cold War, has died after a long illness, the Russian space agency confirmed Friday. He was 85. An accomplished amateur artist and a widely respected statesman in the international space community, Leonov remained a lifelong friend of his Apollo-Soyuz Test Project crewmates and a source of inspiration to a younger generation of cosmonauts who carried his photo to the...