The Guardian presented the 50 most powerful blogs from around the world, that shape news and opinions. See the first 10 below. 1. The Huffington Post 2. Boing Boing 3. Techcrunch 4. Kottke 5. Dooce 6. Perezhilton 7. Talking points memo 8. Icanhascheezburger 9. Beppe Grillo 10. Gawker Popularity: 1%...