Lawmakers, financial groups and U.S. Postal Service employees met this week to discuss a proposal by the postal agency's inspector general to introduce lending and other services at post offices nationwide. Speakers at the conference included Sen. Elizabeth Warren (D-Mass.), who lauded the idea as a way to provide affordable financial products to the underbanked, and Rep. Darrell Issa (R-Calif.), who raised doubts about the viability of the plan in what he sees as a troubled industry. According to USPS inspector general David Williams, the agency has already started to hear from institutions interested in participating in the potential program.