Jogging to the podium, US President Joe Biden didn't betray any concern that his son had just been indicted on gun charges -- and nor did the audience. Biden also sought to blame them for the threat of a looming government shutdown at the end of this month. Porter said she had asked Biden about housing in particular "and he nodded and said we have a whole plan." - 'Papa Joe' -Biden still had work to do to convince the electorate, agreed Don Pruett, 68, director of planning at the college. With a gruelling campaign ahead, Pruett reckoned Biden faced a "tough road" for re-election.