"As an evangelist, I spend much of my time speaking to non-Christian groups. You cannot win your enemies to Christ; only your friends, so we must build bridges of friendship and love to those who believe differently so Jesus can walk across that bridge into their hearts. "
There are several problems with this:
Additionally, Warren prayed in the name of Islam prophet Isa as well as repeatedly being silent over the REAL Gospel. That's hardly proclaiming Jesus Christ!