Indeed they are! Here are two articles (both on the same thread) which give one of the reasons for it....they (accurately) recognize her as being "The Next Lady Thatcher" and they are drooling because they don't have ANYBODY who is even close.
Yanks should give thanks for Sarah (Brit tab Unlike Barack Obama, she is the real thing)
We need real people in politics with real-life experiences and it would appear that, at last, America has found their own Mrs T.