Pierce to talk to authorities Friday about Burress   Senators grill auto CEOs, eye GM-Chrysler deal   Some autoworkers can get paid without leaving home   Study suggests good cheer may spread itself   Clinton scrambles to reduce campaign debt   Happiness is contagious, study finds   Canadian leader suspends Parliament to keep power   Pakistan vows to hunt Mumbai attack plotters   MidSouth Bancorp, Inc. Announces CFO Departure   GlaxoSmithKline and The Carter Center Reaffirm Commitment to Global Public Health with Expansion of LF Program   1 stranded Japanese climber rescued, another dies in N.Z.+   Woman swept to sea during proposal on Oregon coast   NY soldier acquitted by jurors in officers' deaths   Democrats: Obama needs hands-on economic approach   AP NewsAlert   NASA sets May date for Hubble telescope repairs   3 US residents killed in Ciudad Juarez in 3 weeks   STINSON Brand Innovation, Inc. Recognized With 8 Creative Awards   Convict's mom goes undercover, gets dirt on juror   Columbia Records Artists & Recordings Garner 29 Grammy Nominations in 25 Categories