Porter Gale has led marketing campaigns for a wide range of clients: Country Music Television, Snapple, Coach.  Now she is Vice President of Marketing for Virgin America.  Virgin American was born in 2004 and its first flights took off a year and a half ago.  The last few years have not been kind to the airline industry, and yet Virgin America has gotten off to a good start.  It is one of only two domestic airlines that is growing (the other being Southwest).  Porter Gale says the company saw an opportunity in lean times.  Brand loyalty in the industry has become virtually nonexistent.  So, she says, Virgin America set out to build a business based on its brand.  She explained the company's approach last week at The Economist Marketing Forum.  Here is her presentation: