Scientifica American does a rundown on what it would take for a “real” person to be Batman. Even though Batman hasn’t the superpowers of most superheroes, it’s still a big stretch. Read this to see why:
Dark Knight Shift: Why Batman Could Exist–But Not for Long: Scientific American
Smart People I Know 
kudos to the makers of Dark Knight for their record breaking opening weekend… it’s no wonder there’s talk of another one coming out ASAP