The US government is considering, for the first time, the approval of a genetically-modified animal for human consumption. The animal being considered is salmon, but approval could open the door for other animals as well. Those who favor the move say it would help feed the world's rapidly-growing population at a time that depleted rivers and oceans are becoming unable to fulfill the demand. VOA's Zulima Palacio has the story, which is narrated by Frances Alonzo