Unlike his most recent predecessors -- night owls who spent the dark hours reading briefing materials (President Barack Obama) or watching television (President Donald Trump) -- Biden is more of an early-to-bed type. He has continued a tradition of reading letters from Americans, a handful of which are tucked into the briefing materials he brings home in the evenings. Recently they have focused on the pandemic; Biden has also spoken by video conference with business owners and laid-off workers weathering the economic crisis. -snip And he hasn't been put off by the pack of reporters who track his every move....