Why doesn?t Sarah Fisher Hartman Racing have a Full time Sponsor?

Source: http://feedproxy.google.com/~r/nofenders/zbjv/~3/4rHfiWrCpeo/why-doesnt-sarah-fisher-hartman-racing.html

Joachim Winkelhock Manfred Winkelhock Markus Winkelhock Reine Wisell Roelof Wunderink Alexander Wurz Sakon Yamamoto