I think the key attributes for a good speaker are someone that's articulate and someone that puts a fair amount of humour into what they do.
Jo BrandI like the purity of stand-up because it is all about whether people laugh at your jokes. Either they laugh or they don't.
Jo BrandEverything becomes magnified at night. Sounds travel in a different way, it's dark, and everything seems far more spooky.
Jo Brand