Armstrong back at front of Tour

CYCLING: Seven-time champion Lance Armstrong moved level with overall Tour de France leader Fabian Cancellara after the American&rsquo;s team Astana won yesterday&rsquo;s time trial.<br /><br />Armstrong started the day 40 seconds behind Cancellara but Astana&rsquo;s victory wiped out that deficit.<br /><br />Cancellara retained the yellow jersey, however, while pre-Tour favourite Alberto Contador moved up to third, 19 seconds behind the leaders.