David Saint-Jacques becomes fourth Canadian to perform spacewalk

LONGUEUIL, Que. -- David Saint-Jacques joined select company on Monday, becoming just the fourth Canadian astronaut to take part in a spacewalk and the first in 12 years as he embarked on a roughly seven-hour mission. Saint-Jacques' and NASA astronaut Anne McClain officially began their spacewalk just after 7:30 a.m. EDT according to the U.S. space agency, when they switched to battery power, officially disconnecting from the International Space Station. The Canadian's spacewalk comes on his fir