Solar Power in the Desert?

http://news.yahoo.com/anything-stopping-truly-massive-build-desert-solar-power-100000786.html
http://en.wikipedia.org/wiki/Solar_power_plants_in_the_Mojave_Desert
http://www.brightsourceenergy.com/ivanpah-solar-project
http://ivanpahsolar.com/
http://www.guardian.co.uk/environment/2012/nov/20/desert-solar-power-chief-denies-crisis
http://www.desertec.org/concept/
http://cleantechnica.com/2011/12/14/solar-energy-from-the-sahara-desert-could-power-the-world-but-will-it/
http://gigaom.com/2013/04/04/brightsources-cancelled-projects-highlight-hurdles-for-desert-solar-thermal-plants/
http://www.ted.com/conversations/14564/sahara_desert_as_a_solar_farm.html
http://why.knovel.com/all-engineering-news/2049-engineer-solves-problem-of-cleaning-solar-panels-in-the-desert.html
http://www.theecologist.org/News/news_analysis/413657/whats_stopping_us_getting_solar_power_from_deserts.html