Suffolk County Executive Steve Levy warned Monday that he will include “hundreds of layoffs” in his proposed 2012 operating budget unless county unions agree to $50 million in health concessions — including workers paying a share of health premiums for the first time.

Facing a budget hole estimated at as much as $179 million earlier this month, Levy renewed a request he had made in May, asking all 11 county unions for new givebacks on health insurance before his final budget is filed in mid-September.

Here. Another sign politicians are crawling back to fiscal sanity.