The U.S. used up its supply of 65,000 temporary visas for skilled foreign workers in a single day. Advocates for raising the quota said that bolstered their case. South Florida businesses that rely on talented foreign workers to fill technical positions are out of luck until next October -- unless they have an applicant already in the pipeline. Federal officials closed the 2005 application window for highly coveted foreign professional visas just hours after it opened. The unprecedented rush for temporary visas for those skilled foreign workers demonstrates U.S. companies' pent-up demand for candidates in such technical fields as engineering,...