Cruz, Trump, and Bush have the dough.
I see them in the stretch run.
Bush is going to be difficult to beat unless Hillary has some significant opposition in the D primaries.
I liked the Cruz of his magnificent 21 hours and who started his campaign with small donations from constitutional conservatives. I don’t like the Cruz who wants to dramatically INCREASE H1B Visas and got played on that trade deal. Those big donors? They don’t get that rich unless they spend their money wisely. Not sure it’s a good direction.
Not clear it makes that much difference. Things are different now. Sure, you need some money to compete, but in Iowa, Hew Hampshire and South Carolina it's probably not going to turn the race your way.
Trump and Bush are first tier candidates, along with Walker. Cruz is at the bottom of the second tier. I suspect Walker can and will stay in the race longer after Cruz, because it's more than money that makes you a front-runner. In fact Walker has a good chance of winning the nomination.