Ra's Al Ghoul vs Lex Luthor

how would these two power houses do if they fought, ra's al ghoul and luthor are two of the most powerful AND richest and lets not forget smartest men on earth.

I made a similar thread a while ago.
http://www.killermovies.com/forums/showthread.php?s=&threadid=396619

luthor looses with out a battle suit