How much can U.S. influence Israel on Iran?

Bob Schieffer: Washington's message to Tehran is, we don't control Israel on striking Iran over nuke program

• Growing concern Israel may strike Iran this spring
• Intel chief: Pressured Iran might strike in U.S.

Snow forecast as "monster" hits Denver

As much as two feet expected by time Mother Nature eases off; Crews strain to keep streets passable, shoppers seek supplies

British couple banned from U.S. after tweets

Young tourists Leigh Bryan and Emily Banting were detained at LAX after Twitter joke about "Destroying America"

• Did U.S. officials go overboard on "Twitter couple"?

Letterman thanks "CBS This Morning"

David Letterman thanks "CBS This Morning" for recognizing his 30-year anniversary in late night television.

• Celebrating three decades of David Letterman

AG Holder defends actions in heated hearing

House Republicans attacked AG Eric Holder over the controversial gunrunning operation first exposed by CBS News - Fast & Furious. CBS News Congressional correspondent Nancy Cordes reports.

New findings on behavior of Alzheimer's

Two new studies find that Alzheimer's disease seems to spread from cell to cell like an infection. Dr. Karen Duff speaks with Charlie Rose and Gayle King about these new findings.

Living to 100 can be done, cancer expert says

Dr. David Agus, author of New York Times best-seller "The End of Illness" says prevention is key to avoiding disease

Qatar PM: May be "No way out" of Syria civil war

In an interview with Charlie Rose, Sheik Hamid Bin Jassim Al Thani urges Syrian president Bashar Al-Assad to step aside

What American Airlines job cuts mean for you

From fewer routes to outsourced maintenance, travel editor Peter Greenberg discusses implications of airline's cutbacks