Steve Scott spoke with CBS News Chief Medical Correspondent, Dr. Jon Lapook Arizizona Senator John McCain's decision to stop treatment for brain cancer.

As CBS News Correspondent Bill Rehkopf explains to Steve Scott and Michael Wallace, the president says he has not seen enough progress toward denuclearization.

Elisabeth Berhmann of Bloomberg joins Pat Farnack to talk about the Kalashnikov CV-1.

As CBS News' Jim Krasula tells Pat Farnack, critics said the closures would have amounted to voter suppression in the predominantly African-American county.

Margaret Brennan, host of CBS News' "Face the Nation," joins WCBS 880's Wayne Cabot and Paul Murnane.

CBS News Chief White House Correspondent Major Garrett joins Wayne Cabot and Paul Murnane.

CBS News White House correspondent Steven Portnoy says "heads are hanging low today in Washington" as Sen. John McCain's family announces he will discontinue brain crancer treatment.

Bloomberg's Sarah Ponczek joins Steve Scott and Michael Wallace to examine the question.

Sophia Hall joins Steve Scott and Michael Wallace.

CBS News White House Correspondent Steven Portnoy has more with Steve Scott and Michael Wallace.