New York Times columnist Paul Krugman showed his usual class when discussing Republican Rep. Paul Ryan, whose comprehensive budget plan calls for transforming Medicare into a voucher system in order to preserve the financially imperiled program and to trim the deficit. For his efforts, Krugman claimed that Ryan’s “voucher would kill people, no question.” Krugman featured as a talking head in a CNN “ Up Close ” profile of Ryan by CNN journalist Gloria Borger that aired Sunday night. [Video below the break.]