Humpback whales surprise human admirers in Calif.

Microsoft Chairman Bill Gates is number one on the Bloomberg Billionaires Index for the first time since 2007 with a fortune estimated at $72.7 billion.

Congress to grill IRS over scandal surrounding their alleged targeting of conservative and tea party groups. Also, another member of the military's sexual harassment program is in trouble. A look at what we've been covering on "CBS This Morning."

After years of negotiating, a bipartisan group of House lawmakers say they have a tentative agreement on immigration reform. The group says it still needs to work out details, but that a bill could be on the table by June. Norah O'Donnell reports.

American Airlines will allow early boarding for travelers who don't need to use overhead bins. Norah O'Donnell reports.

Reverend Ian Punnett speaks to the "CBS This Morning" co-hosts about his book, "How to Pray When You're Pissed at God: Or Anyone Else for That Matter."

An airline trade group predicts 209 million people will travel on U.S.-based airlines this summer and international travelers could hit a new record. Gayle King reports.