Draw is over at this point.
US got Germany, Ghana, and Portugal.
Argentina got a pretty solid draw: Bosnia, Nigeria, and Iran. The commentators also made mention that Brazil got a solid pairing as well (Croatia, Mexico, Cameroon).
EDIT: For sake of completeness, here's the full group listing:
A: Brazil, Croatia, Mexico, Cameroon
B: Spain, Netherlands, Chile, and Australia
C: Columbia, Greece, Ivory Coast, Japan
D: Uruguay, Costa Rica, England, Italy
E: Switzerland, France, Ecuador, Honduras
F: Argentina, Bosnia-Herz, Iran, Nigeria
G: Germany, Portugal, Ghana, USA
H: Belgium, Algeria, Russia, Korea
EDIT 2: USA's scheduled games
16 June GHA - USA
22 June USA - POR
26 June USA - GER
And apparently ESPN was talking about USA having the hardest travel schedule in the World Cup.