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Bernie Sanders' candidacy, one that was largely written off before it was even off the ground, has irked the Democrat establishment and front-runner Hillary Clinton almost as much as it has inspired millions of Americans to see beyond the bells and whistles of a typical presidential campaign.
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The "big tent" factor of both American parties and the constraints of the "winner-take-all" presidency makes for some particularly strange bedfellows. But is the two-party system under attack this election cycle? It certainly seems so -- and it could well be to Secretary Hillary Clinton's advantage.
Ted Cruz claimed the first prize in Saturday's four-state round of Republican voting.
"Warning: I'm pretty focused on my outfits."