If I were about to be shot from a cannon like one of those people at the circus who are routinely shot from cannons, I’d wear a sumo-sized foam suit and I’d also demand that the spot where I’d expect to land would be covered in fluffy chunks of foam as well.  I’d want foam strewn pretty much everywhere to absorb the force of my impact because I don’t enjoy the prospect of danger.  I guess that’s why I’m not a circus performer.  Let’s face it: people wouldn’t exactly be thrilled watching someone being shot from …