Democrats still searching for a way out of the rubble of the 2024 election got a peek in Tuesday’s primaries of what their voters want for the future. The races spanned a mix of competitive and safe-blue seats across six states — including a pair of crucial swing states. The result: A slate of disparate candidates who won’t give them a much clearer sense of their future. State Rep. Chris Rabb, a progressive firebrand and self-styled “rabble-rouser,” won the open primary for the bluest House district in the country in Philadelphia. In a nearby Pennsylvania House battleground, Democrats nominated Bob...