Speculation that Rubin might not stay in his post grew after he sidestepped questions about any future Cabinet post during television interviews at the Democratic convention in Chicago this week .
<response> Speculation that <person>Rubin</person> might not stay in his post grew after he sidestepped questions about any future <organization>Cabinet</organization> post during television interviews at the <misc>Democratic</misc> convention in <location>Chicago</location> this week . </response>