Yet the president's plans were so nebulous that as the confab wrapped up, Sen. Mazie Hirono, D-Hawaii, was still pressing for more specifics. "You want $18 billion for a wall, or else there will be no DACA. Is that still your position?" she asked. "And can you tell us how many miles of wall you're contemplating? Whether it's $17 million or $13 million or whatever is - can you tell us?"