James Talarico’s victory on Tuesday did more than settle a primary. It confirmed what many Democrats had been whispering for months — that the party may have found its next national star in a place it has not won statewide in more than three decades. For years, “turning Texas blue” has been more fever dream than strategy. Democrats have pointed to demographic shifts, narrowing presidential margins and booming suburbs as their ticket out of the wilderness in the Lone Star State. Yet no Democrat