Story highlights "We repealed Obamacare this year without the Democrats. We can do it again early next year and it will become law," Perdue said.

"All four of those things will get done in the first 100 days, I think," he said.

(CNN) Republican Sen. David Perdue is laying out what he thinks president-elect Donald Trump's first 100 days will look like, saying in radio interviews that GOP lawmakers will not need to compromise to swiftly push through a repeal of Obamacare, the Clean Air Act, the so-called "Waters of the United States" rule, and pass the Keystone pipeline.

"If we have the majority, they don't need to compromise, we don't need to compromise on one thing, that's Obamacare," the Georgia senator said on Trending Today USA with Rusty Humphries Wednesday.

"We repealed Obamacare this year without the Democrats. We can do it again early next year and it will become law — we will repeal it from law, because we'll have a president that won't veto it. I believe that we'll repeal the Waters of the US, we'll repeal the Clean Air Act, and we'll pass Keystone Pipeline again. And all three, all four of those things will get signed into law by President Trump, so that's with the votes we already had. That's no new Democrats. That's just what we did this year. So I'm hopeful that that will set a tone."

Speaking on the Atlanta-based Bryan Crabtree Show Thursday morning, Perdue said each of those legislative items would be passed within the first 100 hundred days of Trump's presidency.

"All four of those things will get done in the first 100 days, I think," he said.

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