CNN Pollster Warns of Democratic Midterm 'Blowout'

• CNN chief data analyst Harry Enten warns of a 'blowout' for Democrats in the midterm elections.
• The number of House seats predicted to be won by Democrats has increased since August.
• Enten's prediction is based on current polling data and trends.
• The midterm elections are scheduled for next week.
• Enten advises against being angry with him for the forecast.