Caveat, this seems to play out fine if the project slips 10-20%, which is sort of within expectation, and your competitors may be slipping the same amount as we

Caveat, this seems to play out fine if the project slips 10-20%, which is sort of within expectation, and your competitors may be slipping the same amount as we speak. If however the project is due to slip 200%, or 400%- I guess I don't have specific advice, but that kind of project is the sort of project that can sink a company. Of course, you only really get to that point if vice-bigwigs are lying severely to the bigwigs, in which case there may be nothing a team lead can do about it.