"It would have to stretch over 2,000 miles of terrain."
Great wall of china is 5500 miles long. 2000 would be a piece of cake.
"And all of that destruction would be monstrously expensive. It would cost a whopping $12 to $25 billion just to build"
Good thing Mexico will be paying for it then.
"It'd easily be one of the most expensive single pieces of infrastructure in American history. It would cost as much as 20 Hoover Dams or the entirety of NASA's annual budget. "
And far more valuable than putting a man on the moon or Mars.
"Because it's estimated that between 27 and 40 percent of all undocumented immigrants came here on planes."
"Mexico's economy is doing quite well and population growth has slowed way down, so there isn't much pressure to immigrate. Illegal border crossings are actually at an all-time low."
500,000 thousand per year is 500,000 too many.
"The fact is, they're already here. Nearly one out of every 30 people in America is an unauthorized immigrant."
See the above.