Timely articles raise interesting questions:

..
Doctors Are Opting Out of Medicare [Would this kind of problem occur under a single-payer system of insurance?]

G.E. and Intel Working on Remote Monitors to Provide Home Health Care
[Is this a step towards the "doctor in a box" that I wrote about recently?]

An Open Letter to Congress: Help Me or I Will Die [If there is a single-payer insurance system, it will either have to draw the line at some treatments that could extend lives, or it will bankrupt the country. Will Congress have the courage to draw the line?]