Hillary's biggest asset
They thought she was a shoe in during the 08 cycle too.
The only reason she is polling high is because she has name recognition, people in the Democrat party nomination process are looking for someone else. Who is her threat? Nobody so far, I guess time will tell.
Nobody can tell the future but the only Republican that can beat her as of now is Rand Paul, he is the most competitive Republican against Hillary. Polls show him leading her in...