Greece will try to bring more to the table in negotiations for a debt deal and Prime Minister Alexis Tsipras will probably speak with European Commission chief Jean-Claude Juncker by phone on Saturday to try to end the deadlock, a Greek minister said. With nervy depositors pulling billions out of Greek banks, Athens may have to impose capital controls within days to staunch the flow. “We will try to supplement our proposal so that we get closer to a solution,” State Minister Alekos Flabouraris told Greek Mega television in a morning news show.