Julián Castro is poised to miss the cutoff for the November debate. Then what?

Presidential candidate Julián Castro's campaign insists he’s not exiting the race now.Juan Figueroa/The Texas TribuneIt has been apparent for weeks, but on Wednesday it will become official: Julián Castro will not qualify for the November debate stage.It’s a sobering reality for an already struggling campaign. Last week, the Democratic former San Antonio mayor’s team slashed staff in two early states. Last month, he threatened to end his White House bid if he did