Coming off their home win over the Cardinals, the Redskins flew to Cowboys Stadium for a Week 3 NFC East duel with the Dallas Cowboys on Monday night.  Washington threw the game's opening punch in the first quarter with a 46-yard field goal from kicker Graham Gano.  The Cowboys answered with kicker Dan Bailey getting a 41-yard field goal, while the Redskins replied with Gano's 27-yard field goal.  Dallas would take the lead in the second quarter as Bailey made a 27-yard and a 32-yard field goal, yet the Redskins closed out the half with Gano's 50-yard field goal. Washington began the third quarter with quarterback Rex Grossman finding running back Tim Hightower on a 1-yard touchdown pass.  The Cowboys would end the third quarter with Bailey making a 41-yard field goal.  Dallas regained the lead in the fourth quarter with Bailey booting a 23-yard and a 40-yard field goal.  The 'Skins tried to rally, but the Cowboys' defense held on to preserve the win.. How many yards difference is there between Graham Gano's longest field goal and Dan Bailey's shortest?