- Former Senator - and, more importantly, former lottery winner - Judd Gregg has some Mega Millions tips to share.

- Meanwhile, residents of Georgia spend 1 percent of their personal income on lottery tickets.

- Jonathan Chait on what to do if the Supreme Court strikes down Obamacare.

- The federal government is seeking ways to measure “gross national happiness.”

- For anyone with visiting relatives this weekend, a very-DC scavenger hunt.

- An animated history of April’s Fools Day.