Christian Science Monitor: Nearly a year after the House of Representatives approved a comprehensive climate-energy bill, two US senators on Wednesday unveiled their own plan for weaning America off fossil fuel and slashing carbon emissions tied to global warming. After intense behind-closed-doors discussions with fellow senators since last fall, Sens. John Kerry (D) of Massachusetts and Joe Lieberman (I) of Connecticut released details of the bill to mixed reviews. Its sole Republican co-author, Sen. Lindsey …