a necessary evil in a sentence

Examples

1. Cannibalization is a necessary evil in lot of cases.
2. The bunking down place is merely a necessary evil.
3. Touring, for some musicians, is a necessary evil.
4. Many Cubans see tourism as a necessary evil.
5. Democrats portrayed the law as a necessary evil.
6. Still, it's a necessary evil, some picketers said.
7. Some call the government subsidies a necessary evil.
8. Unfortunately, it appears to be a necessary evil.
9. We consider it, at best, a necessary evil.
10. Power plants are a necessary evil in life.