Lisa Murkowski actually said...

I'll lay this out more fully in my response to your letter which will be coming very, very shortly.

As the people of my State work to attract investment and create jobs, regulatory uncertainty is hampering those efforts and they need answer...

There is further concern that we simply won't, or the industry won't, be able to meet the deadline.

a preemptive veto, just like a preemptive approval, would be based purely upon speculation and conjecture.