If the visa is not available in August, it seems to me that there is nothing you can do, except to try consular processing, or to stay in status...

You can tell them at the interview that she's naturalized.

Why did CIS deny the N-400? What did they say?

As a rule of thumb it is suggested at least six months.

Sure. Also try filing online, as it may prevent this from happening.

I have never heard of that happening and I doubt it would happen.

Try returning with your green cards. You might get referred to immigration court, but you will be admitted and you can argue why you did not...

The DREAM Act is a bill that was proposed many years ago and has never been signed into law.

If you are denied, and your spouse is an F1, you should remain an F2.

It seems to me first that they should be the same, but if they are not, if you were admitted as a visitor, and never left, then use the I-94 from...