F irst there were the press conferences. Then there were the parties. Turns out, the first time figure skater Alysa Liu got a proper sleep after winning Olympic gold was on her flight home from Milan a few days later. “We got upgraded, because they were like, ‘We can’t put you in the back of the plane!’” she says, grinning. “So, shout-out to those Delta flight attendants.” Since then, Liu has been getting used to a hero’s welcome, from the Oakland creamery that offered her ice cream for life to