Luis Roberto Barroso, a liberal who has favored legalizing abortion and criminalizing homophobia in his 10 years on Brazil's Supreme Court, became chief justice on Thursday as the court's relations chilled with Congress over allegations of judicial overreach. Barroso, 65, an outspoken jurist known for his progressive views, is expected to face backlash from a conservative-led Congress where lawmakers vow to curb the top court's influence on hot-button social issues and human rights debates. Barroso said the Supreme Court will defend human rights, including gay marriage, and the rights of Brazil's Indigenous people to preserve their cultures and parts of their land.