Letter: Walls are a failed technology, and not who we are

The wall, whether concrete or steel or styrofoam, is the failed technology of history gone by (the Great Wall is the best example).Our president has taken to tying it to our national opiate crisis. He talks about heroin flowing in from our southern border even though our own government says it is mostly smuggled in through ports of entry.I’m told heroin can have a street value of $300,000 a pound. I’m 63, but I’m pretty sure I can still throw a pound over his 30-foot wall, no m