http://www.washingtonpost.com/wp-dyn/content/article/2007/07/18/AR2007071800312.html--snip--
Turns out Reid had no intention of enforcing that motion, what with the assortment of senators over 80 who could not be expected to show up through the night for live quorum calls.
Speaking of those mandatory attendance tallies, Reid changed his mind about how many, and when. He had originally planned holding one around 3 a.m. and another at 7 a.m. But that changed during the midnight vote when Sen. Barbara Boxer, D-Calif., made the case against senatorial sleep deprivation and impugned Reid to push the quorum call back.
--snip--
Next live quorum call, he announced: 5 a.m. The Senate would vote later in the morning on whether to advance legislation to withdraw troops from Iraq, he added.