CHICAGO (CBS) — The Democrats vying to face off against U.S. Rep. Joe Walsh (R-Ill.) are airing their differences ahead of Tuesday’s Primary, even as they agree on many issues.

As WBBM Newsradio Political Editor Craig Dellimore reports, former Deputy Illinois Treasurer Raja Krishnamoorthi says his experience gives him the advantage over his Democratic opponent, disabled Iraq War heroine and former Illinois Department of Veterans Affairs Director Tammy Duckworth.

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LISTEN: WBBM Newsradio Political Editor Craig Dellimore reports

“I can come up with a comprehensive plan, and if you look at my opponent’s plan, it’s about 2 1/2 pages, and it amounts to sound bites,” Krishnamoorthi said. “So that’s the difference – substance versus sound bites.”

Duckworth scoffs at the remark.

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“We’re not writing term papers here,” she said. “We’re talking about writing plans that will actually be able to get executed, and what I’ve been doing for the last six years is executing plans.”

Krishnamoorthi narrowly lost the Democratic primary for Illinois comptroller in 2010. Duckworth mounted a high-profile campaign for the open 6th Congressional District seat after the late Henry Hyde retired in 2006, but lost to U.S. Rep. Peter Roskam (R-Ill.)

The 8th District where Krishnamoorthi and Duckworth are now running was redrawn following the 2010 Census. It had covered large parts of the north and northwest suburban area, but is now closer to Chicago and covers areas more favorable to Democrats than the one he currently represents.

But Tea Party Congressman Walsh has decided to run for reelection in the district, rather than challenge another freshman Republican, Rep. Randy Hultgren (R-Ill.), in the 14th District where his home is now located.

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The Democratic Primary in the 8th Congressional District is the focus of WBBM Newsradio’s “At Issue” program, this coming Sunday at 9:30 a.m. and 9:30 p.m.