Japanese Prime Minister Shinzo Abe returned to work on Wednesday after a three-day summer break that included a hospital visit, leading to speculation he is suffering ill health."I underwent a checkup the day before yesterday to take full care of my health. I am returning to work now and I hope to work hard," Abe said as he entered the prime minister's office in the afternoon.Speculation about the 65-year-old's health has been swirling after he spent more than seven hours at Keio University Hospital in Tokyo on Monday. The visit followed a recent magazine report that said he vomited blood i…READ FULL ARTICLE