LISP: A dynamic car

I have a complex list of lists and want something to check the second element of every list of the list in the loop, any supported features like this?

>>32
I look at Lisp code and I see structure immediately as I read it, I look at BASIC code and I see spaghetti (mostly gotos). Even If I were to assume that I could read "read" BASIC faster, I sure as hell wouldn't get its high-level semantics faster - what the person that wrote the code meant when writing it (actually the same is true for Lisp, if the coder has no idea what he's doing or if he's a newbie, but this doesn't apply to most Lisp code written by those that actually know the language).