He started back in February.
Actally, that seems to be false. It look more like there was no vetting whatsoever:
The same source states later on (my emphasis):
Apparently, McCain's campaign lied when it said "on Monday that Ms. Palin was 'thoroughly vetted,' a process that would have included a review of all financial and legal records as well as a criminal background check." [same source for all quotes]
Now it turns out that Ms. Palin was
She belonged to a separatist (i.e. Anti-American!) political party in the 1990s! Do I want her to be my vice-president and a even a president (by default)? Hell no!
It has now been days after she has been picked for the Republican VP spot that McCain had a
Why would that be necessary if sh had been "thoroughly vetted" to begin with?
How "throughly" was she vetted?
State Senator Hollis French, a Democrat who is directing the ethics investigation, said that no one asked him about the allegations. I heard not a word, not a single contact, he said.
Mr. French, a former prosecutor, said that he was knowledgeable about background checks and that, he, too, was surprised that the campaign had not reached out to state legislative leaders."
Not very thoroughly by any standards it seems.
So, where do you get your information from? Or did you just make that up about February?