Coming up on today’s show:

• After legislators delivered a number of impassioned speeches on Sunday, the Brazilian Parliament voted to start impeachment proceedings against President Dilma Rousseff. Joseph Leahy, Brazil bureau chief for The Financial Times, has the details.

• Over the weekend, two powerful earthquakes rocked Japan and Ecuador. Gavin Hayes, a research geo-physicist at the U.S. Geological Survey, discusses the damage done in each nation, the differing rescue operations, and the next steps for both countries.

• A challenge to President Obama’s executive action on immigration is moving forward in the Supreme Court today. Former Arizona Governor Jan Brewer, the lawmaker who lead the opposition against Obama’s executive action, reflects on the case before the court.

• In an attempt to control oil prices, members of OPEC gathered in Doha on Sunday to try to negotiate a freeze in global output. Dan Dicker, author of “Shale Boom, Shale Bust: The Myth of Saudi America,” explains why these petroleum producers failed to reach an agreement.

• The Retro Report documentary team is out with a new segment that examines the early controversy surrounding the popular game Dungeon and Dragons, and its continued impact on pop culture. Bonnie Bertram, a reporter with Retro Report, weighs in.

• Today is the deadline to file your tax returns. Ben Casselman, chief economics writer for FiveThirtyEight, breaks down the hassles of tax day, and the unusual thing Senator Ted Cruz and Senator Elizabeth Warren have in common.

• Maria Bilbao, her husband, and their young son, Thomas, came from Argentina in 2001. So far, legal status has remained out of reach for Maria and her husband. Maria explains that her fate now lies in the Supreme Court’s hands, as the justices weigh the constitutionality of President Obama’s executive actions on immigration.