A top Senate Republican on Sunday announced his support for sweeping climate change legislation, disputing the "conventional wisdom" that says Congress simply cannot tackle the issue this year. Sen. Lindsey Graham, R-S.C., co-authored an op-ed with Sen. John Kerry, D-Mass., in The New York Times calling for action on legislation. Kerry rolled out a Senate climate change bill alongside Sen. Barbara Boxer, D-Calif., late last month. A Graham aide said Sunday that the South Carolina Republican was not explicitly endorsing that bill, but stands ready to work with Kerry toward some version of legislation to combat global warming. Though even...