Studio 60: Why was he speeding? Maybe spoilers

SPOILER SPACE

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OK, Jeter's brother is in the service and Jeter was on his way to
visit him. Why 120mph?

Barry Margolin...

Because he wanted to get there before his brother shipped out to
Afghanistan.

David Johnston...

Assuming he isn't lying...could he have been driving to Reno to pick
up his brother?