bobbymike ACCESS: USAP Senior Member Joined 21 April 2009 Messages 13,706 Reaction score 7,568 7 October 2018 #1 https://www.rand.org/pubs/research_reports/RR2341.html?adbid=1049051503363743744&adbpl=tw&adbpr=22545453&adbsc=social_20181007_2560881 Downloadable at the link
https://www.rand.org/pubs/research_reports/RR2341.html?adbid=1049051503363743744&adbpl=tw&adbpr=22545453&adbsc=social_20181007_2560881 Downloadable at the link