Parties’ nominees likely to be decided by early February
http://www.freerepublic.com/focus/f-news/1817843/posts
“This speedup would heavily favor well-funded, well-known front-runners, such as New York Sen. Hillary Rodham Clinton, who leads her chief rivals for the Democratic nomination, and former New York City Mayor Rudolph W. Giuliani, who has lengthened his lead for the Republican nomination by double-digit margins, according to most polls. “
How Reliable Are the Early Presidential Polls?
http://pewresearch.org/pubs/410/how-reliable-are-the-early-presidential-polls
“In seven open Republican contests since 1960, the early front-runners held on to win the party nod six times. By contrast, early Democratic poll leaders won four out of eight open contests between 1960 and 2004. “
So it's not set in stone. Thanks for proving my point.