I don't always agree with the things Tony Campolo says, but his stuff always challanges me to take a hard look at what I easily believe and why I belive it. This article 'Evangelical Christianity Has Been Hijacked': An Interview with Tony Campolo looks the religious right's blanket support of the republican party:

Evangelicals need to take a good look at what their issues are. Are they
really being faithful to Jesus? Are they being faithful to the Bible? Are they
adhering to the kinds of teachings that Christ made clear?