What sort of person takes a break from taxpayer-funded cancer treatment and flies 2,000 miles to cast a vote that could result in 22 million people losing their health insurance and tens of thousands of them also losing their lives, then makes a big speech about how messed up the whole process is?

Perhaps the same sort of person who relentlessly agitated for an invasion and occupation of Iraq that caused the deaths of hundreds of thousands of Iraqis and led to millions of others being displaced from their homes?

Or maybe the same sort of person who put personal and party interests ahead of the national interest when he picked the know-nothing, far-right demagogue Sarah Palin, the ur-Trump, as his running mate in 2008?

Meet John Sidney McCain III: veteran Republican senator from Arizona and former GOP presidential candidate, who endured horrific torture and abuse at the hands of the Viet Cong between 1967 and 1973, and who was tragically diagnosed with brain cancer last week — and who has also been a loathsome human being for most of his eight decades on this planet.