How can both lament and hope be responses to the call for social justice?

https://traffic.libsyn.com/anunslife/RNC-Jul-08-2015-Jim-Rice-lament-hope.mp3
Podcast Recorded:

This Random Nun Clip is from In Good Faith episode 36, with Jim Rice, editor of Sojourners magazine. Hear the full podcast at IGF036.

IGF036 In Good Faith with Sojourners editor Jim Rice

https://traffic.libsyn.com/anunslife/IGF036-Jul-08-2015-Jim-Rice.mp3
Podcast Recorded:

IGF036 In Good Faith with guest Jim Rice, recorded live on July 8, 2015. Produced by aNunsLife.org Ministry. Topics include Sojourners magazine, advocacy journalism, Pope Francis and the environment, lament and hope.