abc's leslie messer. good morning. we have to start with what a huge win for leonardo dicaprio. >> reporter: i was so afraid of what would happen if leo didn't win. that is how badly everybody wanted him to take home best actor. and when it was announced, the entire press room erupted into applause. everyone, i mean, it was like everyone was breathing an corrective sigh of relief.f >> it's pretty impressive. you can hear him right there. he made a big speech about climate change, as well. of causes. backstage to chris rock? what are people buzzing about >> i think everyone was really impressed that he tackled this controversy head-on. it continued throughout the show. if he hadn't done what he did, i think he would be criticized for that. i thought he was really funny. everyone was laughing at his jokes. nothing really fell flat. i give him credit. he did a great job. >> the new york daily news not agreeing saying he went too fafa he did go there. what's it like to cover the oscars? i imagine it's pretty glamorous. you

abc's leslie messer. good morning. we have to start with what a huge win for leonardo dicaprio. >> reporter: i was so afraid of what would happen if leo didn't win. that is how badly everybody covering the campaign. >> reporter: gop front-runner donald trump taking attacks from all sides including personal insults. >> he is a con artist. >> con artist. >> i will never stop until we keep a con man from taking over the party of reagan. >> reporter: trump responding with a series of tweets repeatedly calling marco rubio a lightweight. but getting into some trouble, too. retweeting a quote by mussolini and refusing to disavow an endorsement from kkk grand wizard david duke during an interview on cnn's state of the union. >> i know nothing about david duke or white supremacists and so you're asking me a question that i'm supposed to be talking about people that i know nothing about. >> reporter: trump apparently forgetting he had already disavowed duke on friday. rubio pounced on the interview. >> we cannot be a party that

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