Reading Life On Mars was a challenge.  i was not really understanding the direction that Tracy K. Smith was trying to make in some of her writings. i really get the sense that there is a struggle in theology and ideology. the desire for an explanation of  existence and why? this yearning to settle grief and find purpose and filling of a void `with It and CO I'm just puzzled by what "it" is. What is it that is unknown that we are apart of.