Tax evasion is simpler to prove than perjury. Of course, sweet kind-hearted Bonds* may not be anywhere near the lifetime limits on gifts.

His grand jury testimony seems to have been carefully ambiguous. Unless they've got a tape recording or such I don't see how to prove he actually did know what was in that BALCO stuff.

Do I think Mr. Paranoid was just taking whatever pill was given him? No, but that's not the same as "beyond a reasonable doubt".