Alas, explains Mark McClellan of the Brookings Institution, the most meaningful proposals have since been watered down or delayed.

布鲁克林斯机构的马克·麦克莱伦解释道，唉，最有意义的提案至此就被冲淡或延迟了。

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Still, Medicare administrator Mark McClellan said that by Monday, coverage could reach a milestone.

NPR: Medicare Drug Deadline Looms with Millions Unsigned

News reports over the weekend said Mark McClellan is set to offer his resignation as early as today.

NPR: Medicare Chief Reportedly Ready to Step Down

Even Mark McClellan, a Bush-appointed predecessor in the CMS job, supports his nomination.

ECONOMIST: Health-care reform