GENEVA, Switzerland (AFP) — The World Health Organization’s (WHO) chief pledged to do "everything in my power" to help conquer a deadly Ebola outbreak in the Democratic Republic of Congo, as he headed to the African nation on Thursday. In lengthy message to the Congolese people, WHO director-general Tedros Adhanom Ghebreyesus insisted that "together, we will overcome this outbreak". According to its latest figures up to May 24, the WHO has...