Libertarian Party spokesman Andrew Davis sent the following message to IPR, asking that it be passed along to the site’s editor-in-chief:
We support the removal of governmental impediments to free trade. Political freedom and escape from tyranny demand that individuals not be unreasonably constrained by government in the crossing of political boundaries. Economic freedom demands the unrestricted movement of human as well as financial capital across national borders. However, we support control over the entry into our country of foreign nationals who pose a threat to security, health or property.
The above is from the LP platform, section 3.4: Free Trade and Migration.
The LP platform does not talk about “balancing the needs of [the U.S.] economy with the need for domestic security,” as the press release does.
In greater congruency with the platform, the press release also stressed opposition to a border fence and support for a greater number of legal immigrants allowed into the U.S.

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Yea. The problem is that the press release pits security AGAINST economic benefits.
The problem with the statement was that it made the needs of the economy and domestic security out to be inherently inimical. Probably wouldn’t have raised an eyebrow if it had read “would serve both the needs of our economy [and] the need for domestic security.”