What is the fine-grained topic of the following text: This weekend Jeanine Pirro of Fox News invited the in-house Fox “terrorism expert” Steven Emerson to explain the impending apocalypse that is looming over the planet due to radical Islamic terrorism spreading to every nook and cranny of the globe. Only return the topic.
Discussion on the spread of radical Islamic terrorism by Fox News personalities Jeanine Pirro and Steven Emerson.