Reuters: With climate change legislation a top U.S. priority for Democrats this year, lawmakers on Thursday began zeroing in on ways to ease the financial burden it could impose on the poor, especially in the midst of a deep economic recession. Senate Majority Leader Harry Reid, a Democrat, announced he would try to pass a bill capping harmful greenhouse gas emissions from cars, utilities and other industries by mid-year. President Barack Obama supports such controls, but doesn’t want to start …