Bush v Clinton? Not so fast
Hillary and Jeb. They are the big beasts of the jungle. They have big names and have instant name recognition - not something that can be said for most of the other wannabe presidential candidates who are barely household names in their own house.
They also have some big money behind them. But as anyone knows - big can be powerful and awe-inspiring. It can also be clumsy and clunky.
Let's take Hillary first. There is a great line from the late Steve Jobs on the beauty of simplicity. He said "It takes a lot of hard work to make something simple, to truly understand the underlying challenges and come up with elegant solutions."
Hillary's people are seeking to achieve something similar. They are desperate to present her as simple and straightforward - yet everything about her seems well, just a little bit complex and difficult.
I met her last summer in London and she could not have been warmer, more attentive and engaged. We were just about to move to Washington and she took my wife aside to discuss the best areas to live, and the names of estate agents who would be most helpful.
But through the distorting medium of TV, something happens. She can often seem defensive, or prickly or wary - and given the misogyny that she's often been subject to, perhaps that's understandable. But she's a candidate and needs to define herself on her own terms
So her advisers said, let's do the campaign differently this time. Just go ahead and meet ordinary people.
She got in a van and drove to Iowa - that state's caucus kicks off the presidential nomination roadshow - and it's where she faltered badly back in 2008.
There would be no big rallies, just conversations. She'd meet a group of people sitting round a table, or chat with workers in a factory.
The cameras were invited to film some of these encounters. But then when she was between venues she went into a Mexican fast food outlet and wore dark dark glasses to appear as incognito as possible.
So not that keen to meet ordinary people, seemed to be the conclusion. And then there've been the persistent questions over the odd arrangements regarding her emails from when she was Secretary of State.
Why was she on a private server? Throw into the pot the millions of dollars raised from speeches by the Clintons - and well it just looks somewhat less than an Apple designed product
And she's refusing to give any interviews to the media who are following her - and that has infuriated the press pack - which in turn is seeping into the coverage of her campaign thus far.
But then you look at Jeb Bush. No-one can say he hasn't given interviews. it's just that it took him five gos to work out his position on the invasion of Iraq, which of course was ordered by his big brother when he was president.
When first asked whether the US should have invaded the country, knowing what we know now, he said yes. But in the space of a few days, that answer became no.
Of course, we all misspeak at times and are sometimes caught on the hop by a question. But the invasion of Iraq? I'm going to say that was about as predictable as could be.
The other Republican hopefuls feared that the mere presence of Jeb Bush in the race would suck all the oxygen out of the room, leaving the rest of the pack gasping for breath and money.
That just hasn't happened. He's already sacked his campaign manager before the campaign's even launched.
Maybe by next summer when the conventions come round, it will end up being Clinton versus Bush for 2016 - in a re-run of 1992 when Jeb's dad fought and lost to Hillary's husband.
But they're both showing quite a surprising capacity for self-harm. If this were an iPod, Steve Jobs would have had harsh words for his designers.