12:30am Eastern update. Unlikely, but not impossible.

11:50pm Eastern update:

52-46 65% of precincts
52 Cardin
46 Steele

***Bumping to the top…Just e-mailed the Steele campaign…spokesman Doug Heye reiterating Steele is NOT conceding…just told his supporters to hang in for a long night…also: Absentee ballots are almost 200,000 strong…***

Reports Kathryn Lopez.

Update:

Cardin 190,680 49%
Steele 188,124 49%

31% Reporting

Update 11:07 pm Eastern…

613 of 1,793 precincts – 34 percent
Michael Steele, GOP 225,146 – 49 percent
Ben Cardin, Dem 224,899 – 49 percent
Kevin Zeese, Grn 7,384 – 2 percent

Governor
610 of 1,793 precincts – 34 percent
Robert Ehrlich, GOP (i) 234,746 – 51 percent
Martin O’Malley, Dem 217,592 – 48 percent

Bryan Preston’s in Maryland and keeping tabs.

My Fox News colleagues reporting that WaPo has withdrawn its call for Cardin. Fox News has not done so yet.

11:28pm Eastern update. A reader in Maryland e-mails this link and tempers Steele optimism:

Baltimore, Montgomery and PG county are the ones that have to be counted, and they are going 3 -1 for Cardin. The current vote has
come from ‘Red’ counties…

11:32pm Eastern update.

U.S. Senate
853 of 1,793 precincts – 48 percent
Michael Steele, GOP 337,325 – 50 percent
Ben Cardin, Dem 324,559 – 48 percent
Kevin Zeese, Grn 10,949 – 2 percent

Governor
830 of 1,793 precincts – 46 percent
Robert Ehrlich, GOP (i) 339,629 – 52 percent
Martin O’Malley, Dem 300,232 – 46 percent
Ed Boyd, Grn 5,835 – 1 percent