A product-exclusion process for a third tranche of Section 301 tariffs on Chinese goods is needed only if they are raised from 10 percent to 25 percent, Senate Finance Committee Chairman Chuck Grassley (R-IA) said on Tuesday. Earlier this month, the Trump administration postponed a tariff increase on $200 billion worth of Chinese goods from 10 percent to 25 percent “until further notice,” citing progress in ongoing negotiations with Beijing. U.S. Trade Representative Robert Lighthizer has said his agency will...