calling key in a sentence

Examples

1. Although the government is obliged to make a record of all testimony before the grand jury, it is under no obligation to create producible material under the Jencks Act by calling key witnesses before the grand jury.
2. He and White House communications director Dan Bartlett spent the hour between 4 a . m . and 5 a . m . calling key news organizations and trying to coax them into calling the race for Bush, Rove said.