But Enzi adopted a negative tone when he gave the Republican response to one of President Obama's recent weekly radio addresses.

VOA: standard.2009.09.04

But in the Democratic radio response, Iowa Gov. Tom Vilsack warned against relying on 10-year projections for the federal surplus.

CNN: Bush, Democrats outline budget differences

They could be used to make cheap radio-frequency identity tags in essence, printable bar-codes that transmit an identifying code in response to a pulsed radio signal.

ECONOMIST: Just press print

Radio readies its response to satellite services.

FORBES: Magazine Article