"So let me tell you at the outset, the president is using the term ‘Iron Dome’ as a metaphor," rocket scientist Ari Sacher said during an interview on FOX Business' "Mornings with Maria" Monday. "It's perfect for defending Israel from Gaza, Lebanon, it is not something that the United States needs very much." In President Trump's first few weeks in office, he signed a slew of executive orders, with one focused on the construction of an American Iron Dome. The order addressed the need for the implementation of a next-generation missile defense shield to protect the homeland "against ballistic, hypersonic,...