AP Top Business News at 8:21 p.m. EDT

Untested in court, Trump's new tariffs on Canada raise legal questionsWarsh raises stakes for Fed's next meeting and other takeaways from Jackson Hole conferenceWhat we know about Trump's deal giving US access to vast oil reserves in VenezuelaFed Chair Warsh signals rate hikes may be needed with US inflation stubbornly elevatedThe bond market prepares for a hike to interest rates, while US stocks drift lowerTrump says US has entered deal with Venezuela to take control of 65 billion barrels of oil reservesEurope's summer drought threatens fish in rivers, lakes and farmsIran scrambles to sustain trade as US threatens to sanction countries that refuse to break tiesUS targets Egyptian bank's UAE branches under new push for Iran's economic isolationJuul gets OK to sell updated vaping device wit