WASHINGTON — President Barack Obama and House Speaker Nancy Pelosi said Wednesday that they expect to have a health care package before Congress by the end of July. Their aim is to make medical coverage cheaper and more widely available, while reining in costs throughout the $2.5 trillion health care system. The Senate could act even sooner. The insurance and pharmaceutical industries, which helped kill a similar effort championed by the Clinton administration 15 years ago, appear to be on board. Based on discussions with White House aides, congressional sources and health policy experts, here are some of the basic questions about the effort: Q: How much will it cost? A: The current guess is somewhere around $1.2 trillion over 10 years. Q: Where will Washington find the money? A: A number of ways are under discussion. It could be a combination of tax increases - possibly on alcohol, soft drinks and tobacco - and spending cuts in programs like Medicare, where overcharges run into the billions of dollars. A possible revenue target could be the tax-free status of employer-provided health plans. It’s unlikely Congress would eliminate it, but lawmakers could cap […]