Business Insider reports A photo posted of George H.W. Bush's service dog mourning beside the casket of his old master has left social media a little teary-eyed<br />The heartfelt photo, posted initially by H.W.'s son and 43rd US president, George, shows the yellow lab slumped by Bush's casket.<br />Sully is to make his final journey with his old companion to Washington, DC, on Monday, a report says. The 41st US president will lie in state there from Monday to Wednesday. <br />
