It's carnival time in Sharjah and DubaiCome April, it's carnival time here in Sharjah and Dubai. People here, especially the expatriates, seem to mix their shopping with cricket reasonably well. Hence, it is most appropriate that the Asian cricket caravan moves from India to the desert venue just in time for the Dubai shopping festival.Aussies in commandJustin Langer and Mark Waugh put together an unbeaten third wicket stand of 133 to give Australia a commanding lead of 290 at the close of the third day of the fourth and final Test against West Indies at St John's.