The Bloomington City Council spent more than a dozen hours in budget hearings last week. The Council debated the future spending of every department within the city government. At the very beginning of the hearings, Mayor Mark Kruzan said he was confident about the strength of the city’s finances. But at least one major expense is increasing at what some officials called an unsustainable rate. Like many other governments, the city is faced with ballooning health insurance costs. Today, correspondent Joe Crawford looks at the city’s health care costs and how they might be affected by the Federal Affordable Care Act, in this WFHB feature exclusive.