Morning six-pack: What we're reading Monday

Catheryn Carroll, of Washington DC, berates members of the House Republican caucus while they hold a press conference on the steps of the U.S. Senate September 29, 2013 in Washington, DC.
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Happy Monday. The markets are down, but we're up and at 'em.

OMG! Carl Icahn just tweeted something! So it was only to say he was having a sandwich ... but, but, but there must be something to buy. Yes folks, Twitter can move mountains, and markets. (New York Times)

Default doomsday is all the rage. Among the many panicky scenarios we've seen Monday morning, an analogy to the greatly underappreciated sport of Calvinball is among the coolest. (The Economic Populist)