Protesters lead chants as hundreds march towards Congress Square from Longfellow Square on Dec. 5, 2014. Gordon Chibroski/Staff Photographer

Protesters perform a 4.5 minute die-in on Dec. 5, 2014 at the intersection of High and Spring Streets to protest the deaths of Michael Brown, Eric Garner and many others who have died unnecessarily by police action. Gordon Chibroski/Staff Photographer

In this Wednesday, Sept. 24, 2014 file photo, healthcare workers load a man suspected of suffering from the Ebola virus onto an ambulance in Kenema, Sierra Leone.

This undated file image posted on a militant website in January and verified as consistent with other AP reporting, shows fighters from the Islamic State marching in Raqqa, Syria. U.S. Arab allies Egypt, Saudi Arabia, the United Arab Emirates and Kuwait are discussing creation of a military pact to take on Islamic militants.

Maine Governor Paul LePage speaks to supporters at the Franco American Heritage Center after being reelected on Wednesday, November 5, 2014.

This Nov. 12, 2014 file photo shows the HealthCare.gov website, where people can buy health insurance, on a laptop screen. The Associated Press

Israel Montalvo holds up his daughter Brianna for a photo while attending a pro-immigration rally in front of the White House on Friday, Nov. 21, 2014.

A Pro-Russian rebel walks at the deserted Novoazovsk border crossing point, in eastern Ukraine, on Friday, Aug, 29, 2014. The Associated Press