Rahm Emanuel, who served as a top aide to former President Barack Obama, is being considered as a nominee for U.S. ambassador to Japan, sources familiar with the plan said Tuesday.If his nomination for the high-profile post, which has been vacant for nearly two years, is approved by the Senate, Emanuel, 61, is expected to play a key role in beefing up the bilateral alliance at a time when the administration of President Joe Biden is seeking to rally U.S. partners to counter China's rise.The former congressman, who has close ties to Biden and is known for his abrasive style, was White House …READ FULL ARTICLE