Live Miami Dolphins week 5 match-up against the San Francisco 49ers preview at 12:00 p.m. Wednesday with the Sun Sentinel's Omar Kelly & sports columnist Dave Hyde. Tweet questions to #XOmar. Ask, chat & watch. LET'S CONNECT: Facebook ► http://on.fb.me/1tO5gYg Google+ ► http://bit.ly/1qL4Wrg Twitter ► http://bit.ly/1BvZDit Sun Sentinel ► http://bit.ly/1tDWQ1Q