Watch CNN.com Live for continuing coverage of the investigation and fallout from the school shooting in Newtown, Connecticut.
Today's programming highlights...
9:30 am ET - Online trading hearing - A Senate banking subcommittee holds a hearing on the state of online trading and what rules should govern the practice.
11:30 am ET - Gun violence briefing - House Minority Leader Nancy Pelosi joins victims of gun violence and officials with the Brady Center to Prevent Gun Violence to discuss gun control.
12:30 pm ET - White House briefing - The Connecticut school shooting and the fiscal cliff crisis will likely dominate Press Secretary Jay Carney's briefing with reporters.
1:30 pm ET - Colorado mental health announcement - In the wake of the Aurora theater shooting and similar tragedies nationwide, Colorado is expected to unveil changes to the state's mental health services and support system.
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