Comments come ahead of vote on Italy civil unions bill
Country’s Senate expected to consider measure on Thursday
Former president says his position has ‘evolved’
Festus Mogae criticized Robert Mugabe’s rhetoric
Comments made at HRC-sponsored World Economic Forum roundtable
Sandra Morán advocates on behalf of indigenous, other marginalized groups
Attack took place near central train station
Critics contend measure would ban coming out
Homosexuality remains punishable by death in country
Advocacy group commissioned study in 2014