The only question is that they have any credibility at all.
Poll: Bush Credibility takes a hit
"Six in ten Americans are following the hearings closely; 56 percent say the administration is cooperating with the panel. But what the administration is saying does not receives high marks: 59 percent say it is hiding something it knew before Sept. 11, and 11 percent even say it is lying. Only one in four think the administration is telling the entire truth."