By Calvin Freiburger, LifeSiteNews - President Donald Trump said Monday (during a joint press conference with Nigerian President Muhammadu Buhari at the White House) that his administration will work “very, very hard” to end the mass killing of Christians in Nigeria…. “We’ve had very serious problems with Christians who have been murdered, killed in Nigeria,” Trump said. “We’re gonna be working on that problem, and working on that problem very, very hard, because we can’t allow that to happen.”… almost 16,000 Christians have been murdered in Nigeria since 2015.