December 14, 2009 7:06 pm Exxon to Buy XTO for $31 Billion Exxon Mobil will buy XTO Energy in an all-stock deal worth $31 billion as the oil giant moved aggressively Monday to capitalize on the growing supply of natural gas at home. Wake Up to Something Good 1:47 Heavy rainfall affects parts of DFW, Kaufman County 2:43 Governor declares state of emergency after Oklahoma tornadoes 2:09 Aftermath of heavy flooding in Kaufman County 1:41 Multiple killed during Oklahoma tornadoes 6:20 5 Talk Street: Dallas Cinco de Mayo