No matter how important he or the work may be, on these subjects the writer lacks credibility.

Brown lacks credibility following his 10 years at the Treasury.

Because of that, he said the program lacks credibility with the players.

A resolution forced through with a bare majority would lack credibility and force.

A declaration by China that it plans to move toward free trade lacks credibility.

But the police, who brought the student to the scene, found his story lacked credibility, law enforcement officials said.

But repeated so often, this seems to me to lack credibility.

It is also clear that many of those policy makers lack authority or credibility.

The problem with the industry groups is that they lack credibility.

A bit of both would not only lack credibility, but is also practically impossible.