Who is Emma Boettcher, the 'Jeopardy!' contestant who just dethroned James Holzhauer?

We'll take 'Jeopardy!' history for 500, Alex. Who is Emma Boettcher, the contestant who just unseated record-breaking champion James Holzhauer?

     

 

 

from USATODAY - News Top Stories http://bit.ly/2Wn63EI