Trump's proposed tariff would cost the average American household an extra $1,500 a year, left-leaning think tank says

• Trump's proposed import tariff would cost an extra $1,500 annually for Americans, according to a left-leaning think tank.
• The Center for American Progress Action Fund says this will fail to boost US manufacturing and jobs.
• Trump has championed his tax plan as favoring US interests over China, but the think tank argues he misunderstands tariffs.

Trump's proposed import tariff would tack on an extra $1,500 per year for Americans, says a left-leaning Washington think tank.