update origin story

First paragraph edit from Emily T and Kathy P

_content/our_mission.yml

@@ -79,9 +79,9 @@ our_values:
 origin_story:
   heading_title: "The USDS origin story"
   origin_story_text: |-
-    Too often, outdated tools, systems, and practices make interacting with the government cumbersome and frustrating. The challenges behind the rollout of [HealthCare.gov](https://www.healthcare.gov/) made clear that accessing government services should be as easy as ordering a book online.
+    The idea of a team like USDS had been percolating since 2012, and people across federal agencies had been exploring new modes of hiring and working since 2008. The [HealthCare.gov](https://www.healthcare.gov/) launch crisis created an opportunity for a scrappy idea to become a reality. The challenges behind the launch made clear that accessing government services should be as easy as ordering a book online.
 
-    Founded by President Obama in August of 2014, the U.S. Digital Service brought together the best engineering, design, and government talent to change our government’s approach to technology. We planned to hire ten people for three critical national priorities: modernizing immigration, Veterans’ benefits, and [HealthCare.gov](https://www.healthcare.gov/). During the 2015 State of the Union address, we launched an online application to join the team. We worried if ten people would even apply. 1000 did.
+    Founded by President Obama in August of 2014, the U.S. Digital Service brought together the best engineering, design, and government talent to change our government’s approach to technology. We planned to hire ten people for three critical national priorities: modernizing immigration, Veterans’ benefits, and HealthCare.gov. During the 2015 State of the Union address, we launched an online application to join the team. We worried if ten people would even apply. 1000 did.
 
     We quickly went to work with a simple strategy: