A famous Serbian inventor's 'impenetrable' border wall idea has a surprising connection to President Trump
Building an impenetrable wall along the US-Mexican border, ostensibly to keep out foreigners , is a key item on President Donald Trump's campaign-promise checklist. "I will build a great, great wall on our southern border, and I will have Mexico pay for that wall. Mark my words," Trump said during a campaign rally on June 16, 2015. The president moved toward fulfilling that promise on Wednesday, January 25, 2017, when he signed a new executive order aimed at doing just that. The order tasks the secretary of the Department of Homeland Security, a role currently filled by John Kelly, to "immediately plan, design, and construct a physical wall along the southern border, using appropriate materials and technology to most effectively achieve complete operational control[.]" If Secretary Kelly is seeking technological inspiration for the design of Trump's wall , however, we hope he doesn't go rifling through the FBI's recently released dossier on