Daniela Vega's passport does not match her gender
Sebastián Piñera urged to support pro-LGBT bills
Outgoing President Michelle Bachelet introduced measure in August
Marriage, transgender rights among campaign issues
‘The world is not happy’ with U.S.
Anti-transgender campaign was in U.S. earlier this year
Sebastián Piñera running for second term in South American country
Gay man attacked in Santiago park on March 2, 2012