CNN

Biden is having trouble grabbing the spotlight since Palin was tapped for the GOP ticket.

(CNN) – Sen. Joe Biden faces a paradox: He offers the most unfiltered contact with the media of any of the big four. But he's the least likely to be covered.

Over the three weeks since Sen. Barack Obama tapped Biden to be his running mate, Biden has seen coverage of his campaign slip from feverish to low-key.

The night before Obama announced his vice presidential choice August 23, the press staked out Biden's Delaware home and gave minute-by-minute updates of his every movement.

But then Sen. John McCain picked telegenic and nationally unknown Alaska Gov. Sarah Palin as his running mate, and the press corps traveling with Biden's campaign dwindled to a skeleton crew.

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