WASHINGTON — The brazen reality TV hopefuls who managed to crash the White House state dinner earlier this week may face criminal charges, the Secret Service said today. Secret Service spokesman Jim Mackin says the agency is moving closer to beginning a criminal investigation. He says that’s one reason the Secret Service hasn’t yet explained what happened when Michaele and Tareq Salahi arrived at the security checkpoint Tuesday for the dinner honoring Indian Prime Minister Manmohan Singh. Mackin says there’s less the Secret Service can say as the probe moves closer to a criminal investigation. He says the agency isn’t...