I like the Newsweek cover photo. It makes her appear more mature, rather than a pin-up. There is no fire in any of the other Republican Candidates and that’s why I see her as getting into the race. You go Lady!! Explode their heads!
Are her eyes even the same color in both pictures? Her right eyebrow? Her jawbone structure? Her neck?
The first picture has the center of focus just above the eyebrows; giving her chin a bit more emphasis.
The second appears to be centered on her lower lip; giving her jaw a square shape.