Iraqi officials say bombings have targeted Baghdad's Christian neighborhoods, killing at least four people. The attacks underscore the threat to Iraq's minority Christian community following the church massacre last week that left 58 people dead. Al-Qaida militants have claimed responsibility for that attack. The BBC's Jim Muir joins us from Baghdad.

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"]How many passwords do you have? There's your home email, your work email, Facebook, online banking, the list goes on. What if instead of typing in letters and numbers, you could choose a point on a map as your password? Bill Cheswick is the lead member of the technical staff at AT&T Research and he says using maps could be easier and more secure than the passwords we use now.

Medical officials are predicting that cholera will become a way of life in Haiti over the next few years, and that the disease could kill as many people as the January 12th earthquake did. Ten months after that earthquake, reconstruction has barely begun. And while more than $1 billion in  U.S. emergency aid has reached Haiti, large installments of the $1.5 billion in long-term aid have not reached Haiti. The State Department says Haiti still has to prove the money won't be stolen or misused. Dr. Joia Mukherjee is medical director of the non-profit health care organization, Partners in Health, and she thinks the U.S. should send that money to the Haitian government now.

It's a "piece of cake" to have "more fun than a barrel of monkeys" by browsing through Canadian illustrator Wallace Edwards' new book, "The Cat's Pajamas." Edwards really "uses his noodle" to make visual magic out of everyday idioms. The book is great fun for adults, but can also help young children discover the secret conventions of language and irony.