U.S. Rep. David Wu spoke briefly to House Minority Leader Nancy Pelosi Saturday after Pelosi's meeting at the White House to discuss the federal debt ceiling. The substance of the conversation was not disclosed, but congressional sources familiar with the thinking and attitude of congressional leadership said it's likely that Pelosi told Wu to resign and to step down soon. Other Democratic leaders are expressing the same desire, according to those familiar with the deliberation. In June, Pelosi released a statement calling on former Rep. Anthony Weiner, D-N.Y., to step down after a similar Saturday conversation. Weiner's offense -- sending...