Updated: 03/02/2014 11:02 PM
Created: 03/02/2014 8:55 PM WDIO.com
LOS ANGELES (AP) — Matthew McConaughey has won the Academy Award for best actor for his performance as a desperate and determined AIDS patient in "Dallas Buyers Club."
McConaughey lost some 40 pounds for the role, which capped a remarkable recent career transformation for the 44-year-old actor, once a regular in lightweight romantic comedies. It was his first Oscar nomination; he won the Golden Globe for best actor in a drama earlier this year.
The other nominees Sunday night were: Christian Bale, "American Hustle"; Bruce Dern, "Nebraska"; Leonardo DiCaprio, "The Wolf of Wall Street"; and Chiwetel Ejiofor, "12 Years a Slave."
Cate Blanchett wins Oscar for best actress
Cate Blanchett has won the Academy Award for best actress for her bravura performance as a fragile socialite experiencing a meltdown in Woody Allen's "Blue Jasmine."
Blanchett had been deemed the front-runner from the very beginning of the Oscar season. It was the sixth Oscar nomination for the Australian actress and her second win, though her first in the leading actress category. Previously she won the 2005 supporting actress trophy for "The Aviator."
The other nominees Sunday night were: Amy Adams, "American Hustle"; Sandra Bullock, "Gravity"; Judi Dench, "Philomena"; and Meryl Streep, "August: Osage County".
Leto wins Oscar for supporting actor
Jared Leto has won the Academy Award for best supporting actor for his performance as an HIV-positive transgender prostitute in "Dallas Buyers Club."
Leto, 41, returned to acting after a six-year hiatus to play the role, and had widely been expected to win the Oscar. It was his first nomination.
The other nominees Sunday were Barkhad Abdi, "Captain Phillips"; Bradley Cooper, "American Hustle"; Michael Fassbender, "12 Years a Slave"; and Jonah Hill, "The Wolf of Wall Street."
Lupita Nyong'o wins Oscar for supporting actress
Lupita Nyong'o has won the Academy Award for best supporting actress for her harrowing portrayal of a slave who's caught her sadistic master's eye in "12 Years a Slave."
It was the first Oscar nomination for the 31-year-old Nyong'o, and she won it for her film debut.
Not just a breakout movie star, the Mexican-born actress of Kenyan descent has also made a huge splash in the fashion world.
The other nominees Sunday were: Sally Hawkins, "Blue Jasmine"; Jennifer Lawrence, "American Hustle"; Julia Roberts, "August: Osage County"; and June Squibb, "Nebraska.
Alfonso Cuaron wins Oscar for best director
Alfonso Cuaron has won the Academy Award for best director for the visually groundbreaking lost-in-space spectacle "Gravity."
It was the seventh Oscar of the evening for "Gravity" and the second for Cuaron himself. Earlier in the evening he shared in the Oscar for film editing.
The Mexican director, 52, has been lauded for the technical advancements featured in his film, which was seen as revitalizing the 3-D format.
The other nominees Sunday were: David O. Russell, "American Hustle"; Alexander Payne, "Nebraska"; Steve McQueen, "12 Years a Slave"; and Martin Scorsese, "The Wolf of Wall Street."
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Scannell Replaced as Cook County Attorney
The Cook County Board of Commissioners has voted to replace Tim Scannell as county attorney, following his conviction on two counts of fourth-degree criminal sexual conduct. According to a commissioner, the board acted on a statute that says the office should be declared vacant. Assistant County Attorney Molly Hicken was appointed in the interim.
Wisconsin Supreme Court Upholds 2011 Union Law
The Wisconsin Supreme Court has upheld the 2011 law that effectively ended collective bargaining for most public workers, sparked massive protests and led to Republican Gov. Scott Walker's recall election.
Court Upholds Wis. Domestic Partner Registry
The Wisconsin Supreme Court has upheld as constitutional a 2009 law creating a domestic partner registry that provides limited benefits to same-sex couples. Thursday's ruling keeps the registry active but is likely to be overshadowed by a pending gay marriage case.
Wisconsin Supreme Court Upholds Voter ID Law
The Wisconsin Supreme Court has upheld a requirement that voters show photo identification at the polls, but the law remains blocked in federal court.
Special Report: Death Under Investigation
A woman whose son died after he jumped in front of a car believes more could have been done to prevent his death. Her attorney says litigation is likely.