CHICAGO (CBS) — As Chicago picks its first new mayor in more than two decades, CBS 2 is planning to expand its election coverage on Tuesday, and move up its prime time lineup by one full hour.

CBS 2 will go on the air beginning at 9 p.m. with special election coverage with anchors Rob Johnson, Kate Sullivan, Bill Kurtis and Walter Jacobson.

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The prime time lineup will slide up an hour:

6 p.m.: NCIS

7 p.m.: NCIS: Los Angeles

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8 p.m. The Good Wife

9 p.m.: CBS 2 News election coverage. CBS 2 also will postpone the start of the “Late Show With David Letterman” if there is a close race or major development. The CBS 2 News at 6 p.m. and “Entertainment Tonight” will not air.

Beginning at 7 p.m., WBBM Newsradio 780 will have wall-to-wall election coverage anchored by WBBM’s Kris Kridel, political editor Craig Dellimore and political analyst Bob Crawford.

You can also get election results here at

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ABC 7 and NBC 5 do not plan expanded coverage but will cut into programming as events warrant. WGN will start its election coverage on CLTV at 7 p.m. and broadcast its regularly scheduled news at 9 p.m. Fox 32 plans an expanded newscast beginning at 9 p.m., according to a report in Chicagoland Radio and Media.