[msbarnett]

If you can't move it, and you can't meet it without running all-nighters, you should never have agreed to it in the first place.

[shasta]

That's a bullshit answer. In the real world there are deadlines that arise for many reasons:

- any external event like getting a product out before Christmas

- change in circumstance like a coworker quitting or getting sick

- the problem is harder than anticipated (I know it always is, but sometimes it's much harder)