WASHINGTON -- Sen. Mary Landrieu, D-La., said Friday that she and her husband will buy their health insurance from Louisiana's Affordable Care Act marketplace. That decision means she won't qualify for the federal subsidy provided to federal employees, including members of Congress and their staffs. The subsidy can be as high as $11,377 for a family health plan. **SNIP** As a result of her personal decision on health coverage, Landrieu could also lose federal retirement health benefits. To qualify for retirement benefits, a member of Congress or federal government employee must be enrolled in a federal health plan, or, for...