When you’re the world’s biggest Internet search engine, you can be pretty confident that you’re getting a pretty representative sample of what people are searching for online.

Google’s annual Zeitgeist covers a number of topics, showing what the top global searches are. Here’s a few highlights.

Unsurprisingly, US politics played a major role in searches, with Barack Obama, John McCain and Sarah Palin all being searched for, either by name or with “who is” preceding their surname…