U.S. President Donald Trump on Thursday warned his administration may begin sending letters outlining new unilateral tariff rates to other countries in the coming days, with a key deadline looming over ongoing trade negotiations.Before Trump revealed that about 10 letters could be sent daily from as early as Friday, U.S. Treasury Secretary Scott Bessent signaled a trade deal with Japan is unlikely to be sealed any time soon, citing complications surrounding the July 20 upper house election.Bessent said in a CNBC interview that Japan is in a "tough spot right now," noting that the election h…READ FULL ARTICLE