you might wish to consider how Vegas odds are calculated.
It’s always a popularity contest.
until ineptitude intervenes.
Not a ? in a Bush/Romney thing.
Walker is the stalking horse.
Speaking off odds they are on Hillary vs Jeb with Hillary winning it all.
http://www.paddypower.com/bet/politics/other-politics/us-politics?ev_oc_grp_ids=791149
But that doesn’t mean it has to be that way.
Stay out the Bushes