Could be.  Larry O’Donnell wrote:

Karl Rove’s return to the grand jury today could mean the end of the Rove investigation or the beginning of the Rove prosecution. It depends on who asked Rove to return. If Fitzgerald asked Rove to return to the grand jury, that means Fitzgerald thinks he doesn’t have enough for an indictment.

If Rove asked to return to the grand jury, that means Rove’s lawyer, Bob Luskin, believes an indictment is imminent and is sending his client back to make a final desperate attempt to avoid indictment.

Well, as it turns out, Rove volunteered to testify and was not subpoenaed.  Rove’s decision followed a recent conversation by his lawyers with Fitzgerald.  All this, according to NBC News’ David Shuster.

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