And why did we ourselves over some little country's problems?

The same reason we went into Afghanistan, Pakistan, the Philippines, the Horn of Africa, and Somalia. Because that little country was a terrorist state that financed, supported, armed, and harbored terrorists and terrorist groups. Not to mention that Saddam's Iraq had time after time broken peace agreements after the Gulf War, opening up hostilities again. This is a global conflict we're in, from the Horn of Africa, to the Arabian Peninsula, to Asia-Pacific.

My responses are in bold, also, honestly, Bush had the chance to stop 9/11 and didn't take it. He had the names, he had the identities, at one point in time a government, I think it was Venezuela had them captured or close to it, then offered them up to Bush, but he didn't take it. Yes 9/11 sucks ass, and everyone wishes that it would never have happened, but it could've been prevented. I just wonder if Gore would've prevented it if he had the chance.

Venezuela? As in the hostile Latin American nation in South America? Either I managed to miss that or you've got the wrong country and the wrong president. Bill Clinton had at least three chances to kill and/or capture Bin Laden and didn't do anything. Not only that, but the US suffered at least six attacks from terrorism under Clinton- the '93 bombing of the WTC which he treated as a petty crime, the '93 killings in Somalia which prompted him to pull our troops out, the '95 bombing in Saudi Arabia where he did nothing, the '96 bombing of the Khobar Towers where he did nothing, the '98 bombings of our embassies in Africa like in Kenya and Tanzania where he did nothing, and of course the '00 bombing of the USS Cole where he did nothing. Clinton managed to talk about how he'd catch Osama after those attacks, but he never did anything and in fact outright refused to do anything. Bush on the other hand saw thousands of Americans get slaughtered in terrorist attacks and actually responded with force to do what needs to be done. There's also the fact that by the time Bush got into office, Osama bin Laden was already in Afghanistan, so if any country was going to offer Osama to Bush it would have had to be the very Taliban-controlled Afghanistan that refused to hand him over before the invasion, which makes no sense. I think you're thinking of Clinton who was offered Osama by Sudan on a silver platter, which he refused.