SAN DIEGO, Jan 27 (Reuters) - Tiger Woods signalled he is likely to be a formidable force at this year's majors as he rekindled memories of his best form while building a commanding six-shot lead at the Farmers Insurance Open on Sunday. Woods has just 11 holes remaining at the fog-delayed event in his bid to clinch a 75th PGA Tour victory and the dominance he has so far displayed at one of his favourite venues has certainly shaken much of the golfing world. ... More...