Shutdown causing chaos at IRS -- and may delay tax refunds

Americans are used to procrastinating when it comes to filing their taxes. This year, tax season is expected to see an even bigger delay—thanks to the government shutdown.The Internal Revenue Service is one of the many federal agencies that has closed its doors since Dec. 22. Only 12 percent of its staff are working—without pay—mostly focused on security and technology. The agency is not issuing refunds, updating tax forms or answering phone help lines, according to its shutdow