A doctor who contracted Ebola was discharged from a hospital on Tuesday after weeks of isolation treatment for the virus and was cheered by New Yorkers from City Hall to the Harlem apartment building where he lives. The release of Dr. Craig Spencer, 33, who worked with Ebola patients in Guinea and had been held at Bellevue Hospital Center since he was diagnosed with the virus on Oct. 23, will mean no one in the United States is being treated for the disease, according to media reports. Spencer appeared at a news conference Tuesday morning, standing alongside New York City...