Trump can see his second term slipping away. I find it strange that the people baying for funding don't seem to realise that they will be paying for it through taxation. Further, that $5bn is only for a short section of the border - some 234 miles. The US/Mexico border is 1,954 miles long.
Good morning, @majorincident. Yes, the southern border with Mexico is over 1,900 miles long, but not all of that length will need Trump's wall, if it ever gets funded. Many miles along the border already have high walls of one sort or another not all impenitrable possibly, but there and they give the Border Patrol time to round up some of the illegals who got over the wall, funded by earlier administrations (even the Democrats, didja know that?), and in a few other locations the land's topography make it almost impossible for those areas to be used to easily cross the border. Smugglers still try to get illegals across the border using large tractor trailers (lorries), but those are sometimes caught at the border crossings, sometimes too late for some of the crowded occupants in stifling airless trailers to make it alive.
Your map with the $200 rowboats is a joke of course, isn't it? If you've ever seen the high powered boats, subs, planes, that they use to try to get the junk into the U.S., you'd see that those "toys" and equipment most probably cost over $100,000 each and some may be in the millions of dollars.
@andyslc, of course the 5.7 billion could go for other useful purposes, like helping the many homeless get a better life as a start, and more, for infrastructure improvements, better and less expensive healthcare for all, and so much more, with more Border Patrol agents, additional processing centers and more legal border crossing points with addtional staff. But that won't address the more immediate problem of large masses of illegals trying to overrun the borders from many directions. And there may be another, larger, caravan coming. While these caravans are happening during Trump's administration, still isn't it possible that they saw how easy it was becoming for illegals to get over the border in prior years and decided to try it en-mass?
What does the U.S. do now, open the border and let them all come rushing in? Of course the additional wall would take time and more expense, but it might show others planning to make a trek to the U.S. border that the ease of getting over it and into the U.S. illegally had gotten much more difficult.