randomly start swabbing people's hands at airport checkpoints and gates to check for traces of explosives. this was prompted by the attempted bombing of the northwest delta flight on christmas. at the white house today, president obama said the stimulus plan has saved or created at least 2 million jobs and kept the u.s. out of a deeper recession, but on this one-year anniversary of the plan, he says too many people are without a job. and toyota faces more safety issue, the car maker is looking in to reports on steering problems on its best-selling corolla. toyota said it is hiring new quality control officers and doing more testing and looking at independent researchers to fix its wider problems. when we come back, we'll talk to dr. sanjay gupta about how aspirin might help breast cancer patients. for strong bones, i take calcium.