George W. Bush’s failures may have set off a tectonic shift in US presidential politics, commencing a Democratic Party reign  
 
 
   Alan Lupo was many things — among them, the best metro columnist Boston may ever see   
 
 
  A rift between science and activism is undermining progress in the fight against AIDS  
 
 
   Steering a suddenly lost GOP ship,   
 
 
  Fear and pepper spray in St. Paul