SpaceX launch set for take 2

The SpaceX Falcon 9, with the Crew Dragon spacecraft on top of the rocket, sits on Launch Pad 39-A on Monday at Kennedy Space Center. (DAVID J. PHILLIP/AP Photo)
The SpaceX Falcon 9, with the Crew Dragon spacecraft on top of the rocket, sits on Launch Pad 39-A on Monday at Kennedy Space Center. (DAVID J. PHILLIP/AP Photo)

CAPE CANAVERAL — SpaceX pressed ahead with its second attempt to launch astronauts for NASA — a historic first for a private company — but more stormy weather threatened more delays.

Elon Musk’s compan…