President Barack Obama says the nation must act, even if the resulting work will be imperfect and victories will only be partial. Obama gave his second inaugural address on Monday.
Families across the country are turning off their TVs to take part in the National Day of Unplugging.
The first week of the Oscar Pistorius trial is over. Pistorius admits to shooting his girlfriend, but says he thought he was firing at an intruder.
Oops. President Obama misspells the word "respect" in paying tribute to Aretha Franklin at the White House.