Common Lisp has more in common with Python and Ruby than Haskell. Perhaps you should study some of these languages before encouraging other people to.
Arguably, so does Scheme. My impression of Ruby is that it's sort of a bastard of Perl and Scheme.
I'm a heavy Common Lisp user, but I'm only casually familiar with Scheme, so I opted to leave deconstruction of that aspect to others--such as yourself!
More like Perl and SmallTalk.
Scheme is a bit more biased in favor of functional techniques though. Recursion (in the vast majority of cases CLers will just use (loop) instead of recursing), continuations...