But they have concentrated on Labour's failure to convey its message rather than on its substantive mistakes.
Yet, over the next few days, media coverage focused on the vice president's interruptions, audible sighs and disdainful exasperation toward his rival, and largely ignored Mr. Bush's substantive mistakes.
In a joint statement Monday, Senate Finance Committee Chairman Max Baucus, D-Mont., and Sen. Charles Grassley, R-Iowa, noted that back in 2006 they'd held hearings on the problem after GAO employees, posing as taxpayers, visited 19 outlets of commercial chain preparers and found 17 made substantive mistakes that affected the refund amount.
But pushing Congress to propose an amendment overturning Citizens United now is, in my view, both a substantive and procedural mistake.
For substantive errors, including mistakes in who is covered and what's paid in or out, the amnesty is pretty generous.
But make no mistake -- if substantive changes do not take place, the tipping point of public opinion will shift to be against higher education.
SHUsquare enhances and expands conversations about substantive questions, but it would be a mistake to think that technology can supplant these questions or, by itself, inspire students to deepen their engagement with them.
For what it is worth I believe George's arguments are unconvincing and could be shown to be mistaken simply on the basis of substantive counter-arguments to his own.
The difference is that his mistakes are more important because they are substantive, and arise from his orientation about how he believes an economy can be made to grow.
But in an Op-Ed, the Microsoft founder and philanthropist Bill Gates argues that this practice is a "big mistake," partly because ratings reports don't provide substantive feedback that would help teachers improve.
