Japan could be in a weaker position in trade talks after Ishiba's upper house defeat, experts say

1. Japan's Prime Minister Ishiba lost elections, weakening trade negotiation position. 2. Political turmoil may lead to 25% U.S. tariffs on Japanese imports. 3. Japan faces prolonged trade talks due to Ishiba's weak governance. 4. Some analysts suggest potential for U.S.-Japan trade deal amidst challenges. 5. Agriculture and auto sectors remain sensitive issues in negotiations.