It's up to the Governor's electorate to threaten them with impeachment for failure to act/ineptness, not the President.
I the voters were a little busy dying being raped to start an impeachment rallying cry over something they were trying to survive.
Jesus, lady. You don't get it. It's called "Damned If You Do, Damned If You Don't".
If he HAD invoked IA every Bush hater would be screaming Fascist and comparing it to the annexation Poland.
Since no other president in living memory has utilized it, why do you think he would have?
And if you think Clinton's office would have been any more efficient faced with something of this magnitude, you certainly didn't live through any of the hurricanes that struck during his presidency. Bureaucracy is the same, regardless of who is in office. That's why its bureaucracy.