Why the Seven New NFL Stadiums Being Built Are Mostly Domed

1.According to the article, why are almost all the new NFL stadiums being built with roofs?

2.Why do television networks prefer games in enclosed stadiums?

3.A family spends $300 at a stadium instead of at local restaurants and the bowling alley. What does the article say this means for the city's economy?

4.You have $60 to spend on either a costume you'll wear once or a backpack you'll use every school day for a year. Using "cost per use," which is the better deal?

5.The article calls it a "paradox" that taxpayers pay a smaller SHARE of stadium costs than before, yet more DOLLARS than ever. Why is that a paradox?