Election Night Viewer's Guide: How the Midterms will Unfold, Hour by Hour

Source: Eric Bander and Dan Merica, CNN

Photo: Wall Street Journal

Washington (CNN)It could take a few hours -- or a few weeks -- to sort out who wins control of Congress after Tuesday's midterm elections.

But while results are flying in from all over the country beginning at 6 p.m. ET, we'll see indicators of whether Democrats will achieve the net gain of 23 seats they need to control the House, whether the GOP's two-seat Senate majority will grow or shrink and how key governors' raceswill shape up.

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Dr. Monique Chouraeshkenazi