Sentence:  It mingles thoughts on pitching, producing and getting an agent with more light-hearted bits, like <WSD>reanswering</WSD> questions sent to the regular Walter Scott column in Parade magazine (in which momentous topics, like the most popular celebrity features demanded by plastic surgery patients in Beverly Hills, are tackled). 
Meaning of the word marked with <WSD> tags:  To answer again or anew.