(Reuters) - Punxsutawney Phil, the Pennsylvania groundhog renowned for his ability to forecast the onset of spring, emerges from his burrow on Tuesday morning in search of his shadow in a folk tradition that has been embraced by winter-weary Americans for more than a century.

(Reuters) - Punxsutawney Phil, the Pennsylvania groundhog renowned for his ability to forecast the onset of spring, emerges from his burrow on Tuesday morning in search of his shadow in a folk tradition that has been embraced by winter-weary Americans for more than a century.