Uh, no. Common Lisp is sensible. It's multi-implementation and several of the implementations are JVM levels of fast, while others are highly portable. There's

Uh, no. Common Lisp is sensible. It's multi-implementation and several of the implementations are JVM levels of fast, while others are highly portable. There's a community, standards, and libraries. It's not where the froth of lisp experimentation is happening, but it's effective and a known quantity.