Cardinal Francis George says he’s asked the Vatican to begin the process to find a successor to take over as Archbishop of the Catholic Archdiocese of Chicago. George appeared before reporters Friday morning, a few days after undergoing chemotherapy for cancer in his kidney and liver. Read an article and watch a web extra video.

We read what some of you had to say about legendary film critic Roger Ebert in tonight's Viewer Feedback.

Chaz Ebert, President Obama, and others responded today to the news of Roger Ebert's passing.

Changing the way medicine targets cancer. Could doctors one day kill cancer cells without the use of drugs or chemotherapy? Ash-har Quraishi spotlights some promising research in tonight's edition of Scientific Chicago.

Former Chicago Sun-Times restaurant critic Pat Bruno died Tuesday from a rare brain cancer.  

Sex therapist Dr. Laura Berman tells us why she feels empowered after going bald for cancer treatment.

Need tips on how to stay healthy in 2012? Dr. Terry Mason, Chief Medical Officer for Cook County Health & Hospitals System, joins us with several health recommendations for Chicagoans. Got any questions for Dr. Mason? Ask them here. Please also join us for a live web chat during and after the segment.

Maggie Daley, the wife of former Chicago Mayor Richard M. Daley, has died at age 68, after a long battle with metastatic breast cancer. We talk about her life and her legacy on this special edition of Chicago Tonight.