frank wisner.o tonight a devastating four-year drought in california, some say it's the beginning of what is a 500-year drought. whatever it is, it's ravaging california. the brutal conditions forcing governor jerry brown to ration water in his state the first such ration in california's history. but critics blasting the governor's rule saying they largely exempt the agriculture industry that uses 80% of california's water supply. we take a look tonight at what needs to be done. we'll do be talking with a panel of top climate signtivities. and former florida governor jeb bush learns he is not hispanic although he identified himself as such in 2009. we'll tell you how the governor came to this, well to this revelation and how he got confused about his own identity in the first place. >>> but first al-qaeda in the arabian peninsula making a power grab in yemen where the fighting is creating a humanitarian crisis. fox news correspondent conor powell with our report. >> reporter: with the fighting in y