He’s among a number of potential candidates who believe the 2016 and 2018 elections showed that voters are looking for fresh faces and that the old rules of politics, in which lawmakers toil for years in statehouses or in Congress before aspiring to higher office, may no longer apply. They’re benefiting from Democrats’ fears about running another member of the party’s old guard against President Donald Trump in 2020.

The group includes Julian Castro, the 44-year-old former San Antonio mayor, and Tulsi Gabbard, the 37-year-old congresswoman from Hawaii, who’ve already said they’re running. Yet to decide is perhaps the biggest breakout star of the midterm elections, former three-term Rep. Beto O’Rourke, 46, who ran a tougher-than-expected race against Texas Sen. Ted Cruz. Rep. Eric Swalwell of California, a 38-year-old Iowa native, has also been spending time in the state with the nation’s first caucuses…

“I think most people are thinking: ‘Why not?’ They think all the rules have been broken, that anybody can run,” said Buttigieg, who has said he’ll announce his decision on whether to run for president soon. “I think some of the rules have been broken, but there’s only one way to find out which ones.”