The "window problem" of power and activism

What do sales VPs, GOP Senators, and climate change activists have in common? They're all working around the same core human force.

The idea here is that people have limited windows in which they can accomplish certain things. There's a "window" for life, which is probably give or take 80-90 years for the healthiest among us, and then there's a "window" for athletic achievement, which is typically 14 to 40 or so, relative to sport. There are "windows" for career success attainment, …