They???re falling behind on rent, car payments, credit-card debt, and other bills.???I am in survival mode,??? said Timothy Maimone, a furloughed quality assurance specialist for the Department of Defense. ???I am barely squeaking by right now.???The 51-year-old Mission Viejo, Calif., resident said he earns just enough to cover the mortgage on his house, pay bills, and take care of his 7-year-old