In this film publicity image released by Disney, Liam Hemsworth, right, and Miley Cyrus are shown in a scene from 'The Last Song.' (AP Photo/Disney, Sam Emerson)AP – Have you heard the one about the two photogenic kids who meet cute in a Southern beach town, overcome differences in class and temperament and fall madly in love only to find that, in this cruel, cruel world, tragedy finds a way of trumping hormones?