As Iowa nears, Clinton again defends email practices

Clinton retained a slim 3-point lead over rival Bernie Sanders in the final poll released before Monday's caucuses, and her backers hope the latest email flap does not discourage Iowans from voting for her on Monday. Asked on ABC's "This Week" about her use of a private e-mail server while secretary of state -- including the 22 documents that the State Department said Friday are now considered "top secret" -- Clinton again insisted she had done nothing wrong. Clinton said that some emails might