Indicted for what Perjury? Very hard to prove.
Hard to prove, but quite easy to charge someone with it.
Hard to prove, but you don't have to prove anything to bring an indictment. The only thing he's really got going for him is that the case is in NY. Better there than DC, though not much.
he doesn't need to "prove" it to get an indictment - that all the left wants out of this - an indictment. whether Rove/Libby is actually guilty of anything doesn't matter to them, they just want the indictment.