Tuesday’s midterm elections will determine if Democrats take control of the House of Representatives, and possibly the Senate -- or if Republicans maintain control of both houses. What percentage of Americans say they are certain they will vote? How much have they thought about the upcoming election? Are voters more or less enthusiastic about voting this year than in previous years? Gallup Editor-in-Chief Dr. Frank Newport and Senior Editor Lydia Saad discuss Gallup’s trends and what the latest figures could mean for the anticipated voter turnout. Later, what percentages of Republicans and Democrats say that climate change will be a factor in how they vote?