The article indicates that McCain has several challengers.
He is using a strategy similar to the one Graham used — water down the challenge by having several challengers split up the votes.
Most times it works.
Occasionally, it fails.
I think we are on to the dilute the conservative vote scam in Az. At least I hope so. The folks in my work circle are voting for Ward. No McCain support. Empherical evidence but more in favor of the challenger than the last primary. I think he is finished.