Since Ted Cruz took the same position on marijuana as Rand Paul, he will likely snarf up a fair chunk of Paul’s supporters.
He already is, although I don’t think marijuana is the big reason:
Ted Cruz Reportedly Winning Over Some Rand Paul Supporters in Iowa
http://www.freerepublic.com/focus/f-news/3271921/posts
Ted Cruz Recruits Some Rand Paul Supporters in Iowa
http://www.freerepublic.com/focus/f-news/3271518/posts
So that is your spam Cruz post?