World Fact-checking Trump officials: Most drugs enter US through legal ports of entry, not vast, open border January 16, 2019January 16, 2019Alan Gomez, USA TODAYComments Off on Fact-checking Trump officials: Most drugs enter US through legal ports of entry, not vast, open border Vice President Mike Pence said a border wall is needed, in part, to stop drugs from crossing border, but most drugs enter through ports of entry.