Ask and you shall receive

Yesterday, I asked Whither Medicare?

Today, Kevin Drum answers.

Medicare, on the other hand, will start dipping into its trust fund in a mere six years. And no one thinks this estimate is going to improve: thanks to skyrocketing healthcare costs, Medicare might very well be in worse shape than we think it is. As a result, the cost of Medicare is likely to increase by a staggering 7 points of GDP over the next 50 years.

And he's not the only one. Matt Yglesias also mentions it in his Prospect column on Social Security, quoted at length by Brad DeLong. That's a good start