Jim Wallis and Tony Campolo are heretics and apostates who teach a false gospel because they cannot deal with the truth of the real gospel.
The Bible points out that in the end times, there will be many false profits. "By their fruits, you shall know them."
They are primarily Socialists who are using the smoke screen of the church to advance their ideology. True believers know the difference.
The problem is, most young people coming out of the public school system have been indoctrinated into viewing this philosophy as correct.