Arctic drilling
The president allows Shell to drill in the Arctic Ocean, but isn't this inconsistent with his other environmental policies?
She expressed her disapproval just a day after Obama gave Shell the go-ahead.
The Obama administration has given the company the go-ahead, despite protests from environmental groups.
Environmentalists say drilling for oil in the Arctic while pledging to save it is "deeply hypocritical."
WHAT'S HAPPENING
The Department of the Interior conditionally granted Shell permits for oil exploration in the Chukchi Sea off Alaska.
The former vice president says the drilling "ought to be banned."