The 2028 Democratic primary has already begun — and this time, the candidates aren’t trying to hide it. Potential contenders including former Vice President Kamala Harris and California Gov. Gavin Newsom are openly embracing — or at least acknowledging — their interest in a White House run. It’s a departure from the political gamesmanship that once defined presidential politics, when would-be candidates sought to intentionally cloud their intentions out of fear that acknowledging them could backfire. It also reflects the wide-open nature of the race, with no clear front-runner — or anointed figure — for the first time in years....