Historian highlights lessons from past GOP conventions

Blues singer-songwriter Gary Clark Jr. performs "When my Train Pulls in," and "Next Door Neighbor Blues" from his album "Blak and Blu"

While Britain's Queen Elizabeth actually turned 87 in April, her official celebration is Saturday and the country went all out to show their appreciation. A former spokesman for the queen, Dickie Arbiter explains the celebration to "CBS This Morning: Saturday" hosts Anthony Mason and Vanita Nair.

Later this month, President Obama will visit Africa and neither the White House nor the Secret Service deny that the eight day trip to Senegal, South Africa and Tanzania will cost tens of millions of dollars. Major Garrett reports.

A new survey shows that Father's Day gifts cost on average $120, which is slightly higher than the $169 price-tag for Mother's Day. Brian Heater, senior web editor of "Engadget," shares some last minute tech gifts that fit right in that budget.

"Man of Steel," is the latest re-boot of a movie and t-v franchise going back more than 60 years. Henry Cavill is the 7th actor in the role of Superman. Film critic Matt Singer of www.indie-wire.com explains how he stacks up against the rest.

A native of Sao Paulo, Brazil, Chef Marco Moreira is the executive chef and owner of One-Five Hospitality, which includes the restaurants "Toqueville," and "15 East." Moreira shares his ultimate dish for dads, double cut prime aged sirloin steak.

The blues is the wellspring of American music without it, neither jazz nor rock 'n' roll would exist. And for blues fans, Gary Clark Jr. is among the most exciting artists to appear in a long time. Anthony Mason reports.

Hollywood has long been seen as a place of wonder but lately, it may feel like every box office smash is a sequel or even a sequel of a sequel. The movie business is changing and here with a critical look at the evolving industry is veteran movie producer Lynda Obst. She's the author of the new book "Sleepless in Hollywood."

Coffee addiction is real and Americans drink more coffee than anyone else. The latest edition of the American Psychiatric Association's "Mental Health Bible" lists caffeine intoxication and withdrawal as new diagnoses. Dr. Holly Phillips explains why caffeine addiction is so bad.

Even though the economy is slowly improving, millions of Americans are still out of work. The interview process can be tough, for both job-seekers and employers. Debra Shigley, an expert on job-hunting and the workplace, explains that "there's a better way."

Gov. Chris Christie, R-N.J., joined former President Bill Clinton Friday for the final day of the Clinton Global Initiative meeting in Chicago to discuss planning for natural disasters. Deputy Managing Editor for Politico, Rachel Smolkin, explain why they are working together on "CBS This Morning: Saturday."

While social conservatives were luring top republican leaders to their conference in Washington yesterday New Jersey Governor Chris Christie was attending former President Bill Clinton's "Global Initiative America" in Chicago. Dean Reynolds reports on this unusual collaboration.