Republican presidential front-runner Donald TrumpDonald TrumpTrump Jr. uses White House bowling alley Spicer trends worldwide on Twitter after first WH briefing Interior Dept. reactivates Twitter accounts after shutdown MORE on Wednesday offered illegal immigration, healthcare and support for veterans as the first three issues he'd tackle in the White House.
"First thing I'd do is knock out some of the executive orders signed by our president, especially the one on the border," Trump said on ABC's "Good Morning America."
He said that "people are allowed to come in and just pour into our country like Swiss cheese."
"I gonna work out immediately to knock out ObamaCare," Trump said, mentioning health savings accounts and predicting that President Obama's namesake law would be "dead by 2017."
Trump also said that on his first day as president, "We're gonna start taking care of the vets."
Fellow GOP candidates Marco RubioMarco RubioGOP, Dems hear different things from Trump Senate committee to vote Monday on Tillerson Tillerson met with top State official: report MORE, Ted CruzTed CruzTrump's America: Businessmen in, bureaucrats out When Trump says 'Make America Great Again,' he means it Booker is taking orders from corporate pharmaceuticals MORE and John Kasich are hoping to pull out wins next month, but all watched as the billionaire businessman picked up his third straight win with Nevada this week.
While Rubio has so far shied away from directly targeting Trump — though Trump predicted a looming fight is a "possibility" — both have sought to unload on Cruz.
Cruz picked up the endorsement of Texas Gov. Greg Abbott (R) on Wednesday as he looks to shore up support in his home state, where Trump signaled he would focus ahead of voting next week.