Sen. Susan Collins (R-Maine) said early Thursday that she expects legislation to lower health-care premiums to pass Congress before senators take a final vote on a $1.5 trillion tax-reform bill that would repeal the Affordable Care Act's individual mandate. “When you take out that one provision from the ACA it causes premiums to go up as healthier, younger people leave the market place,” she said. Senate GOP leaders at the urging of conservatives have added to the tax package a provision that would repeal ObamaCare’s requirement that people purchase health coverage. The Congressional Budget Office estimates that could cause insurance...