because the cabinet gives the president advice & meet with him a lot.. You want the president receiving good advice, don't you? A good cabinet ensures a good country, while having great minds...
Actually, no. He was ranked the 2nd worst president. He even said himself, "I am not fit to be here. That's what historians say, but why? An ok answer would be that he appointed some corrupt friends...
Sure. Who? If you mean Obama, then no. We're still waiting for him to "fix" the economy, the war, etc. I can't wait to see if he even tries for re-election. or even uphold his oath of office