It's the end of a long day and Demi Sutra is stuck on a rattling, rough, raucous subway ride. The jostling and crowd is encouraging her uncomfortably close to the patient Lana Sharapova. Each bump gets sympathetic smiles, quick apologies, and embarrassed glances away But the close quarters just seem to electrify the air between them. Demi and Lana seem a bit pleased by the physical contact Are they being patient and polite, or restrained and eager?