Bob Bertog, president of Bertog Landscape Co. in Wheeling and a certified landscape professional with the National Association of Landscape Professionals, joins John Williams to answer all of your lawn and garden questions. Bob reminds us to join him and WGN Radio’s Mr. Fix-It this weekend at Lurvey Home & Garden in Des Plaines, on Saturday, July 18th from 6 AM to 10 AM for Lou’s Keepin’ It Green with Lou Manfredini.

Dr. Michael Bauer, Medical Director, Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital, gives updates on the cyclosporiasis parasite outbreak, shares what Legionnaires disease is and details its rapid growth in number of cases, discusses why tick season might be the worst it has been in the US, and more.

John Williams brings you another round of Speed Jokes. Keep sending yours to [email protected].

Eric Zorn, Publisher of The Picayune Sentinel, joins John Williams to talk about the sexual abuse accusations against the Rev. Michael Pfleger, Senator Lindsey Graham’s sudden death this past weekend, the House voting on making daylight saving time permanent, and more.

Michael Peregrine, Retired Law Firm Corporate Governance Attorney and Chicago Tribune columnist, joins John Williams to talk about his latest column in the Tribune about Richard Speck on the murder anniversary.

The great Mr. Fix-It, Lou Manfredini, joins John Williams to tackle the pesky moss, mildew, and stains that can show up on the exterior of your home and how to clean them. As always, Lou takes texts and calls from devoted WGN listeners!

John Williams brings you another round of Speed Jokes. Keep sending yours to [email protected].

Nick Offerman, actor, comedian, carpenter and writer, joins John Williams and special guest “Mr. Fix-It” Lou Manfredini to preview Iceboy!, a new musical 40,000 years in the making now running at Goodman Theatre. Nick talks about his talented wife Megan Mullally, the star of the show, and how she spent years getting the production ready for its Chicago premiere. He also raves about the stacked cast of Illinois locals and Tony-nominated favorites, and shares details on “Nick Offerman: Humor and Mirth,” his special Ramova Theatre benefit on Monday, July 13 with proceeds supporting Japan House in Champaign-Urbana. To get tickets to Iceboy!, head to goodmantheatre.org, and to attend Nick’s Ramova show, visit www.ramovachicago.com/

World-renowned paleontologist, educator and author Steve Brusatte joins John Williams to talk about his new book, The Story of Birds: A New History from Their Dinosaur Origins to the Present, and breaks down how modern birds are “living dinosaurs.” Steve will appearing in Ottawa at The Abbey at The Ottawa Arts Center, Sunday, July 12, for a discussion on the book. Tickets can be purchased at OttawaCenter.org

Amie Parnes, senior political correspondent for The Hill, joins John Williams to explain embattled Maine Democrat Graham Platner’s exit from the Senate race, the current scramble to replace him, and what the fallout means for Democrats’ chances of flipping the Senate.