DNC: Former President Bill Clinton delivered a stirring speech that rebutted much of the arguments Republicans presented during last week's convention. Clinton also offered a forceful argument for re-electing President Barack Obama, The New York Times reports. Our own Todd Ruger is at the convention as well. Keep up with him on Twitter and read his latest dispatch on lawyers using the convention to talk trade deficit. Tonight President Obama is expected to accept his party's nomination.
S.B.1070: A federal judge ruled that Arizona can require police officers to check the immigration status of people they stop or detain. Bloomberg Law reports that U.S. District Judge Susan R. Bolton in Phoenix denied a request by civil rights groups to temporarily block enforcement.
Outer Space: In 1977, Voyager 1 left Earth on a mission to Saturn and Jupiter. Almost 35 years later, it has traveled 11 billion miles as it approaches the outer limits of our solar system. If it does, it will be the first human-made object to leave the solar system. NPR reports.
NFL: The National Football League has provided a $30 million grant to the National Institutes of Health to study brain injuries and other sport-related health issues, according to The Wall Street Journal. The NIH is expected to study how injuries can cause problems later in life.