[Thomson Reuters Foundation and The New Humanitarian] Butembo — More than 20 Congolese women have accused aid workers of sexual abuse in new claims that include rape and unwanted pregnancies, with United Nations investigators uncovering similar allegations of workers exploiting vulnerable women.    The New Humanitarian and the Thomson Reuters Foundation spoke to 22 women in Butembo who said male aid workers responding to an Ebola crisis in the eastern Democratic Republic of Congo offered them jobs in exchange for sex.    The claiAllAfrica News: Latest