>Yes...same with Christianity..."Thou shalt not kill" is in the same >book with "an eye for an eye", and a passage can be found supporting >ANY interpretation
ignores the Christian supercession of the second quotation in the book of Matthew, along with a number of provisions found in the Pentateuch (or Torah, if you prefer).
The Christian who quotes the Exodus passage as a justification for capital punishment is in fact committing heresy.
Then again, it would seem that 'render unto Caesar...' might apply to a discussion of whether or not the state (as opposed to the individual) is empowered to mete out the ultimate penalty, and there are arguments around how that admonition might apply on either side of the (ahem) coin.