Kevin DeYoung asks if you feel guilty a lot as a Christian, then suggests some reasons why we feel this way and what we should think/do about it. I found this one quite helpful, as I am prone to so easily fall into the "I'm not doing enough for Christ" mentality so often.
Interested in doing grad work in theology? Dr. Allen Yeh has a bunch of helpful advice for you.
Here's a really cool minute and a half video showing how a guy and his friends slept outside their senator's office until he would lift a hold on a bill that would move the US government toward more involvement in opposing the LRA in Uganda (HT: Glen):