Fresh US tariffs on imported goods came into effect Tuesday, as President Donald Trump moved to rebuild his trade agenda after the Supreme Court ruled against a swath of his global duties.The new tariffs, initially set at 10 percent, are justified as a means “to deal with the large and serious United States balance-of-payments deficits,” according to a White House released Friday.For all the latest headlines follow our Google News channel online or via the app.Trump has since vowed to raise this level to 15 percent, with exclusions expected to remain for goods covered by sector-specific investigations and the US-Mexico-Canada trade pact.The US president has doubled down on imposing tariffs on trading partners since the high court on Friday struck down many of his sweeping and often arbitrary duties, in a rebuke of his signature economic policy.His sector-specific tariffs on goods like steel and autos remain intact, but the ruling sets the stage for a complex fight for refunds elsewhere