I really don't think you can flat call the flop bet and then lead right out on the turn. It doesn't make any sense. You would be better off raising the flop if you were going to lead out on the turn because then you would gain a lot more information from villain's reactions. I'm not endorsing a raise on the flop by any means, only saying that a lead out on the turn after c/calling the flop is a bit disingenuous. Also, is there any merit in leading the river after the c/c/c on the turn for a small amount and then folding if raised?