Earlier quoted context omitted.
"Not by breaking them then demanding a pardon." You can't change the laws through the political process when disclosure of the laws is illegal. Further, Snowden is not demanding a pardon - we are demanding Snowden be pardoned.
I addressed that elsewhere in the thread. The laws aren't secret, it's the court rulings that are secret. The fact that there's a secret court is known, though. So you could campaign against that court without leaking classified information. Imagine a world in which Snowden resigned, then publically pushed for unclassifying all FISA court rulings, with the obvious implication (or he could even say explicitly) that he…
The text of the laws was public. But the NSA decided that those laws meant something radically different than what was written down.
Per my understanding, mostly that did not have involvement from the FISA court.