They just make stuff up:

 In other words, it looks like the RNC had scheduled a call to tout evidence of voter fraud — not voter registration fraud, mind you, but actual voter fraud — being perpetrated by ACORN in New Mexico. But when ACORN appeared to come up with compelling evidence that no such fraud had occurred, the RNC held the call anyway, simply shifting the focus to other vague allegations against ACORN — then refused to address the New Mexico situation when asked.