What is Republican US Senator David Vitter doing that is different than the other candidates that might put him over the top—or at least, in a top spot for an anticipated runoff?

Can Senator Vitter, who I believe will be our next governor (subject to a major disruption to his campaign) handle the “serious sin” scandal scrutiny and with such focus upon it actually help him Election Day? Can he possibly win straight up as he did in 2004, when he won that seat for US Senate in the “jungle primary”?
Here is part 2 of an interview with UNO's Dr. Ed Chervenak conducted Monday in which we discussed these and other issues