Health care quick hits

A quick roundup:

• Mark Perry links to a story that says Canadians aren't getting value for their money.

• Fred Hiatt looks at costs.

• Megan McArdle links to a story about problems at a VA hospital and notes that such facilities are very hard so sue.

• One doctor explains some of the problems behind Medicare/aid, which is our existing "public option."

Update: Greg Mankiw looks at the relationship between prevention and controlling costs.