Here is the editors note from a voxeu blog posting.
In assessing the underlying causes of the US’ significant trade deficits, the Trump administration’s focus appears to be on alleged unfair trade practices of foreign countries. This column argues that international trade policy has a negligible effect on trade balances. The aggregate US trade deficit results from macroeconomic pressures, while bilateral deficits are due to structural factors, supply chains, and how trade is measured.
Academic but readable. You can read the rest here.