Card Player – Sheldon Adelson appears to be the target of a Tuesday online attack on various websites owned by Las Vegas Sands, a casino corporation that operates The Venetian and The Palazzo in Nevada, The Sands Casino Resort in Pennsylvania and other properties in Macau and Singapore. The sites have since been taken down. Before being removed, the hacked websites featured detailed lists of the casinos employees, which included job titles, contact information and even social security numbers. The sites also featured a message to the CEO himself, possibly explaining the motivation for the attack. “Damn A, don’t let…