Why are enemy snipers so good at getting away?

American are being shot by Iraqi snipers, and Americans only act retroactively.
Why arent our snipers undercover seeking their snipers?
All it takes is thermal imaging/night vision goggles, and setting up a perimeter farther out. Snipers are obvious even to the untrained eye.
And dont try to tell me Americans are too obvious. Delta Force and Navy SEALS [...]

Sports Binoculars Getting a Closer View

Any sports fan would tell you that its better to watch a game live than watching on even the largest most expensive high definition big-screen TV set. In spectator events like sports games there is nothing better than the real thing. The problem is not everybody can afford floor seats or seats closest to the [...]