washington u.s. president donald trump wednesday deny report nbc news tell national security advisers july want increase country nuclear arsenal nearly tenfold say argue modernization nbc news say president call increase show chart indicate stockpile u.s. nuclear weapons slide high 32,000 1960s trump say want number nbc report speak reporters white house meet canadian prime minister justin trudeau trump say report true never discuss increase want perfect shape fake news nbc say need increase want modernization want total rehabilitation get tip-top shape president denial buttress statement defense chief recent report president call increase u.s. nuclear arsenal absolutely false kind erroneous report irresponsible defense secretary jim mattis say although u.s. presidents modernize weapon stockpile years meaningful addition nuclear arsenal would violate treaty agreements federation american scientists say unite state currently 4,000 nuclear warheads earmark use military stockpile meet july secretary state rex tillerson refer trump moron accord nbc u.s. news report paint relationship trump tillerson tense nbc report come time high tension unite state north korea pyongyang nuclear weapons missile program ahead expect announcement trump whether decertify international deal iran nuclear program trump tell reuters february want ensure u.s. nuclear arsenal top pack msnbc report 2016 candidate trump ask foreign policy adviser three time one-hour meet unite state could deploy nuclear weapons trump deny seek nearly tenfold increase u.s. nuclear arsenal