But you can't say when you walk into a classroom, you're not teaching. And if that's what's happening in the Dover school system and my children are in that school system, that they're routinely establishing practices that is not teaching in the classroom, then that's shameful.
The speaker is upset with the school system because they are to blame.
A: It's impossible to say

How to bend rebar<br>Understand the structural issues possible with manually-bent rebar and know how to avoid them. When you bend metal, you naturally weaken it. When done correctly, however, you can minimize damage and still get the shape you need to complete the project.
rebar is hard to bend 
A: It's impossible to say

Well, but I -- we submit that specifically with respect to the Copyright Clause, but I think it applies to the patent portion of the clause at all, it isn't just the invention, it isn't just the writing of the work -- and this relates to the questions that were asked of my colleague a moment ago. It includes the dissemination of the work, not necessarily --
The narrator is not familiar with the clause
A:
It's impossible to say