On April 11th, a large solar flare erupted-- not as big as an X-class flare, but the most powerful so far of 2013. NASA's Solar Dynamics Observatory captured the event in detail (pictured). More at Space.com.
In the first half, political commentator and economist John Lott reacted to the breaking news on the riots in Baltimore, which arose in the aftermath of the death of Freddie Gray.
In the latter half, space historian Robert Zimmerman reflected on the 25th anniversary of the Hubble Space telescope which has reinvigorated and reshaped our perception of the cosmos, and he also offered commentary on current and future space exploration.