Live updates: Trump defends tariffs; Billionaire Trump endorser calls for trade war time-out

Vulnerable House Republicans are on defense amid the fallout from President Trump’s sweeping global tariffs, which have stoked uncertainty about the economy. Markets took a nosedive Thursday following Trump’s announcement of a general 10 percent tariff on goods imported to the U.S., along with other targeted tariffs on various U.S. trading partners. The financial environment…