Levi Johnston and his girlfriend Bristol Palin the daughter of vice-presidential candidate Alaska Governor Sarah Palin hold hands as presumptive Republican presidential nominee John McCain (R-AZ) arrives at the Minneapolis/St Paul International airport September 3, 2008 in Minneapolis, Minnesota. McCain arrived for his appearance at the Republican National Convention. (Photo by Joe Raedle/Getty Images North America)
Presumptive Republican presidential nominee John McCain (R-AZ) is greeted by Levi Johnston and his girlfriend Bristol Palin the daughter of vice-presidential candidate Alaska Governor Sarah Palin as he arrives at the Minneapolis/St Paul International airport September 3, 2008 in Minneapolis, Minnesota. McCain arrived for his appearance at the Republican National Convention. (Photo by Joe Raedle/Getty Images North America)
Presumptive Republican presidential nominee John McCain (R-AZ) greets his vice presidential pick Alaska Gov. Sarah Palin along with her family (L-R) Track Palin, Piper Palin, Willow Palin, Trig Palin, Levi Johnston, Bristol Palin as he arrives at the Minneapolis/St Paul International airport September 3, 2008 in Minneapolis, Minnesota. McCain arrived for his appearance at the Republican National Convention. (Photo by Joe Raedle/Getty Images North America)
Senator John McCain (R-AZ) greets his running mate's daughter Bristol Palin and her boyfriend Levi Johnston (L) at the Minneapolis-Saint Paul International Airport September 3, 2008 in Bloomington, Minnesota. The Palin family was at the airport to greet McCain as he arrived for the Republican National Convention. McCain is scheduled to accept the Republican nomination for president during a speech at the convention which is being held at the Xcel Center in St. Paul, Minnesota. (Photo by Scott Olson/Getty Images North America)