Greek Prime Minister Alexis Tsipras started his pitch for a bailout that’s sparked a revolt in his own party and is struggling to get off the ground as international officials ask new questions about the country’s finances. As Tsipras went on national television on Tuesday night to argue for a deal that he only agreed to with “a knife at my neck,” European officials were at a loss over how to put together a bridging loan that will keep Greece from defaulting on the European Central Bank and its own citizens next week.