Main question is why?
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The White House is launching an aggressive, public campaign to counter the movement of some states – most notably New York and New Jersey – to quarantine American health care professionals who return from treating Ebola victims in West Africa.

Obama made an unscheduled statement on the South Lawn this afternoon to highlight what he said was the need to support health care workers when they return home, support which presumably would not include isolating them. And in a staged event designed to draw attention to the issue, Obama will meet at the White House Wednesday with a group of health care professionals who have been treating Ebola patients.