HOUSTON (AP) — The U.S. government carefully designed a path of least resistance to building a border wall in Texas, picking a wildlife refuge and other places it already owns or controls to quickly begin construction. All it needed was Congress to approve the money.

Then came Harvey.

President Donald Trump's administration must now grapple with a storm that devastated the Texas Gulf Coast, with some areas still underwater and tens of thousands of people forced from their homes. Rebuilding will require billions of dollars to start — and may come at the expense of what is perhaps Trump's best-k...