Department of Vague Threats

New York Attorney General Eliot Spitzer said:

I say this to the Republican Party: With all respect and all deference, do not dare use 9/11 for political purposes.

That sounds different coming from the chief law-enforcement officer of the state government than if it came from a radio talk-show host. What did he mean by the following?

Neither party should use this for politics, so I say to the Republicans, do not go there, … It would not be fair or right, and we will not let you do it.

Are mass arrests of Republican delegates planned?