Cheek-to-cheek and hand-in-hand as they met on a wind-swept airport runway, they only had eyes for each other. And if Australia's prime minister Julia Gillard was half-hearted when she welcomed the Queen to her country last month, she certainly did not hold back with Barack Obama. The pair exchanged a warm embrace on the tarmac at Canberra airport as the president flew in for a whirlwind visit before heading on to Indonesia. They later held a joint press conference in which they unveiled plans to deepen the U.S. military presence in the Asia-Pacific, with 2,500 U.S. marines operating out of...