WASHINGTON (AP) — Fewer than half of Americans expect President Donald Trump's tariffs to do much to help the U.S. economy, but their widespread unpopularity hasn't led most Republicans to stray from supporting the president's trade policy as the 2018 midterm elections approach.

Majorities of Americans also doubt the recently announced taxes on imports will increase jobs or wages at home, according to a poll released Friday by The Associated Press-NORC Center for Public Affairs Research.

The survey found that 35 percent of Americans think the tariffs will leave them worse off financially, whil...