The podium will be filled by three of the current top 7. Cunego trails Bert in 8th by a second, but is a poor TTer, and hasn't shown he can drop the others on the climbs.
I think Evans has the best chance to win, but Andy has the best chance to podium. Assuming TV bonks at some point, Evans doesn't have to do anything but stay close to everyone else, particularly the Schlecks. Even if TV pulls off a miracle and holds his time advantage to the ITT, it's still touch and go whether he holds off Evans. OTOH, if Eavns is unable to stay with Andy on 18 and/or 19, which is certainly a strong possibility,, he will probably lose time to others as well, particularly Basso and Bert, and so might easily miss the podium. IOW, I think it is more yellow or bust for him than for the others.
Andy is virtually a lock for the podium. He can climb better than any of the other six, possibly excepting a recovering (?) Bert, and of the three riders now in front of him, definitely TTs better than Frank. Though it might suit their tactics to have Frank attack again, I can't see the older going into the ITT with much of a time advantage over his kid brother. So all Andy really has to do is keep riding as he has been, and he is virtually certain of the podium.
I think the two of the top 7 least likely to make the podium are Frank and Samu. If the ITT were held tomorrow, Frank might slip all the way to 7th. He needs substantial time on the others, and it remains to be seen if he can get enough of it. Samu has been impressive so far, but he won't be allowed to escape again, and I can't see him making more mountain time on any of the others except TV and maybe Evans.
So I think Evans has best chance to win, though I would certainly put his odds at less than 50/50. The others in the mix are Andy, Basso and Bert. Voeckler is a wild card.