Former President Bill ClintonWilliam (Bill) Jefferson ClintonDolly Parton remembers Ginsburg: 'Her voice was soft but her message rang loud' Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Calls grow for Biden to expand election map in final sprint MORE on Wednesday joked about his need not to make headlines, as Hillary ClintonHillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE considers a presidential run.

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"The great thing about not being president anymore is you can just say whatever you want," Clinton said at a speech to the U.S. Conference of Mayors. 

Then he paused. 

"Unless your wife might run for something, then you can say whatever you want as long as you don't make any headlines," he added, to laughs. 

Clinton has, at times in fact, drawn headlines for his comments, such as when he agreed last month in Iowa that Israeli Prime Minister Benjamin Netanyahu was "not the guy" to make peace. 

In the 2008 primary battle between Hillary Clinton and Barack ObamaBarack Hussein ObamaMomentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina Majority of voters say Trump should not nominate a Supreme Court justice: poll MORE, Bill Clinton drew fire for calling claims by Obama a "fairy tale" in the run-up to the South Carolina primary.  

Clinton was speaking Wednesday at his presidential library in Little Rock, Ark., and touched on the upcoming presidential election in another way. 

He said of crime policies in the United States that we "sent everybody to jail for too long," according to MSNBC.

“I think in this next step, where we’re going to be apparently debating all this, and as the presidential election approaches, we’ll start to have a discussion of all of this," he added.