Probably not, and asking teachers to explain it to them isn't going to get them a straight answer.
Joanne Jacobs suggests that the tradeoffs are quite simple:
Parents want the failures of special ed highlighted; schools don't want to be blamed for failing to educate students with disabilities that make it hard for them to learn. States are playing with the rules to get more schools off the hook for special ed results.
UPDATE: And in another post she offers an example: How many times have you heard NCLB called "an unfunded mandate"? Well, it's not.
Of course, failing to fund increases at the same rate as you did before has always been called a cut by the tax-taking class...