Senator Tom Coburn to Retire With Two Years Remaining on Term

Something's up with this, at WaPo, "Oklahoma US Sen. Tom Coburn to retire after current session, giving up last 2 years in office":

OKLAHOMA CITY — Oklahoma US Sen. Tom Coburn to retire after current session, giving up last 2 years in office.

Also at BuzzFeed, "Republican Sen. Tom Coburn to Retire at End of 2014."

It says he recently underwent prostate surgery, and Coburn's a physician himself, although he says health reasons were not the basis for his decision.

Added:

Coburn "retirement is not likely to alter the Senate’s balance of power." http://t.co/mXq8N7vGUX #Congress #TomCoburn

— Donald Douglas (@AmPowerBlog) January 17, 2014