Nov. 22: In the wake of the chambers historic vote to begin deliberations, Democrats spent Sunday sparring over how best to fix the nation's health care system. NBCs Mike Viquiera reports.(Nightly News)

Nov. 22: Doctors and lawmakers took to the airwaves Sunday amid fresh concerns and criticism over new mammogram recommendations.(Nightly News)

Nov. 22: NBCs Lester Holt speaks with CNBCs John Harwood.(Nightly News)

Nov. 22: The lawmaker from the nation's most famous Roman Catholic family claims hes been barred from receiving communion because of his support for abortion rights. NBCs Rehema Ellis reports.(Nightly News)

Nov. 22: According to the lawyer for one of the accused terrorists, the five men facing trial will plead not guilty so they can voice their criticisms of U.S. foreign policy. NBCs Lester Holt reports.(Nightly News)