Simple answer: Shoot back. THAT is a Libertarian response, as well as a Republican one. When proof of Mexican army incursion on the southern border is proven (and it would be under those circumstances), "other" measures would happen...and the Mexican army wouldn't do it again...
Guess he’s not really paying attention....that’s the LIEberaltarian / RINO / DUmocrat approach. Let’s walk through life with blinders on:
Mexican incursions inflame border situation
House panel told of shootings by gunmen in Mexican military uniforms
http://www.msnbc.msn.com/id/11226144/
Border incursions rattling Arizonans - Incident near Arivaca involved copter - Susan Carroll, Republic Tucson Bureau Feb. 3, 2006 12:00 AM
http://www.azcentral.com/arizonarepublic/news/articles/0203incursions0203.html
Mexican Army Invades U.S. - Phil Brennan, NewsMax.com
Wednesday, March 12, 2003
http://archive.newsmax.com/archives/articles/2003/3/7/134033.shtml
MINUTEMEN RELEASE VIDEO OF MEXICAN ARMY INCURSION OF U.S. BORDER (SCOTTSDALE, AZ) January 20, 2006
http://www.minutemanhq.com/hq/article.php?sid=40
Chertoff downplays Mexican military incursions
Homeland Security chief insists reports of past 10 years ‘overblown’
http://www.worldnetdaily.com/news/article.asp?ARTICLE_ID=49817
Just google “mexican army incursion border” for more....