Hillary Clinton tweets about the controversy: "I want the public to see my email."
Protests staged in Ferguson after release of Justice Dept. report on racial profiling.
New poll shows Scott Walker and Jeb Bush leading GOP 2016 primary race.
50 years after Bloody Sunday, a new poll on civil rights progress and setbacks.
Second Los Angeles hospital reports outbreak of potentially deadly "superbug."
Ban on sledding at Capitol Hill upheld ahead of today's winter snow storm.