Whether state-based exchanges can support themselves regardless of the outcome of the forthcoming Supreme Court decision has been a key topic of discussion this week as reports show that about half of the existing state marketplaces are struggling to meet their budgets. The issue is sure to come up at next week's National Health Exchange Summit that will feature panels and keynotes from several high-profile exchange watchers, including Marketplace CEO Kevin Counihan, who will kick off the three-day event. Counihan...