"Very strong improvement and strengthening of background checks will be fully backed by White House. Legislation moving forward. Bump Stocks will soon be out. Highly trained expert teachers will be allowed to conceal carry, subject to State Law. Armed guards OK, deterrent!... On 18 to 21 Age Limits, watching court cases and rulings before acting. States are making this decision. Things are moving rapidly on this, but not much political support (to put it mildly). ... If schools are mandated to be gun free zones, violence and danger are given an open invitation to enter. Almost all school shootings are in gun free zones. Cowards will only go where there is no deterrent!"
— President Trump on Twitter
Background: The White House said in a conference call on Sunday that the president will delegate the examination of age limits to a commission chaired by Education Secretary Betsy DeVos. The state of Florida is facing an NRA challenge over its just-signed legislation raising the age to buy a firearm to 21.