This week the US Supreme Court handed down two rulings on same-sex marriage.  The court overturned the Defense of Marriage Act and struck down California's Proposition 8.  The decisions brought joy and jubilation to some, while others strongly disagree with the rulings.  It's been 16 months since Zimmerman shot and killed Trayvon Martin.  The trial of George Zimmerman began this week in Sanford, Florida.  The New England Patriots released tight end Aaron Hernandez this week, just one year after signing him to a five-year, 40-million dollar contract.  The move came Wednesday, after Hernandez was charged with murder.  High gas prices can take a toll on your budget, but what if there was a cheaper alternative that could be produced on the scale of oil and also be better for the environment?  That's exactly what one San Francisco lab is working on.

These stories and more on this weeks ABC News Perspective