Astronauts squeeze in last spacewalk before SpaceX departure

CAPE CANAVERAL, Fla. (AP) — Astronauts are squeezing in one last spacewalk before turning their attention to the all-important end to SpaceX’s first crew flight. NASA’s Bob Behnken and Chris Cassidy floated out of the International Space Station on Tuesday, their fourth and final spacewalk in under a month. Instead of swapping batteries, they’ll be routing cables and hooking up a tool storage chest. In less than two weeks, Behnken and Doug Hurley will depart the orbiting