keywords: ferrero olympic tennis justine olympics
text: Olympics-Henin rust-free but Ferrero falters ATHENS, Aug 17 (Reuters) - Any hint of rust after a 12-week lay-off was long gone by the time Justine Henin-Hardenne took to the Olympic tennis court on Tuesday, a fact drummed mercilessly home to Venezuela #39;s Maria Vento-Kabchi. 