BERLIN — Rescuers in Germany began an elaborate operation Thursday to save a sick humpback whale that has been repeatedly stranded off the Baltic Sea coast and has stirred up tons of attention across the country for weeks. The whale , which has been nicknamed Timmy by local media, is lying in shallow waters near the eastern German town of Wismar and has barely moved for days. Many fear it may soon die. Timmy was first spotted swimming in the region on March 3. It is not clear why the whale swam