Las Vegas (CNN) – Mitt Romney greeted a raucous crowd at a Las Vegas rally Tuesday - only one event in a day when Romney battled Donald Trump for control of the news cycle, met with one of Newt Gingrich's former top backers and was poised to secure the number of delegates necessary to clinch the GOP nomination.
Midway through his day Romney took the stage in the warehouse of a furniture company in Las Vegas. He opened his remarks with a dig at President Barack Obama over some controversial comments about the Sin City.
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"He came into the White House and told people not to bother to go out to Las Vegas for conventions or meetings," Romney told the audience incredulously. "That sure as heck didn't help did it? I'll tell you if I become the next president of the United States I'm going to remind people I've come to Las Vegas, I love it here!"
Obama has been known to use Las Vegas as a scapegoat, as in a 2010 speech when he was speaking at a high school in New Hampshire.
"Responsible families don't do their budgets the way the federal government does," Obama said. "When times are tough, you tighten your belts. You don't go buying a boat when you can barely pay your mortgage. You don't blow a bunch of cash on Vegas when you're trying to save for college. You prioritize. You make tough choices. It's time your government did the same."
Obama also criticized trips to Las Vegas in 2009, when he said companies receiving federal subsidies should not spend lavishly on corporate outings.
"You can't go take that trip to Las Vegas or go down to the Super Bowl on taxpayers' dime," Obama said.
On Tuesday, as real estate mogul Trump was dominating cable airwaves by questioning the validity of Obama's birth certificate, Romney floated the idea of adding another Constitutional requirement for the presidency.
"I was speaking with one of these business owners who owns a couple of restaurants in town," Romney said. "And he said 'You know I'd like to change the Constitution, I'm not sure I can do it,' he said. 'I'd like to have a provision in the Constitution that in addition to the age of the president and the citizenship of the president and the birthplace of the president being set by the Constitution, I'd like it also to say that the president has to spend at least three years working in business before he could become president of the United States.'"
Romney continued: "You see then he or she would understand that the policies they're putting in place have to encourage small business, make it easier for business to grow. They'd understand that if they say something negative about Las Vegas it means that businesses and government agencies aren't going to come here. And that would mean that people who have jobs in hotels will lose those jobs."
In the evening, Romney was slated to wrap up his marathon day with an appearance at a fund-raiser with Trump and his former Republican rival Newt Gingrich.
Romney is also expected to reach the requisite number of delegates to become his party's nominee Tuesday, when primary voters in Texas head to the polls.