WASHINGTON -- The Senate has agreed to put an additional $1 billion this year into a program to help poor people with energy costs, but only after overcoming resistance from warm state senators who said those suffering from summer heat weren't getting their fair share.The additional spending would increase to $3.1 billion the amount the federal government will have this year for the Low Income Home Energy Assistance Program, a decades-old program that subsidizes heating and cooling costs for poor families.The legislation, which still must be considered by the House, passed by a voice vote Tuesday, but only after a...