Immigration.
Agency holding that claim was waived for not being raised earlier was not an abuse of discretion.
Substantial evidence for agency holding that, unlike some other contexts, re-entry to the USA does not begin a re-accrual of continuous presence where the earlier period of continuous presence was ended by a disqualifying conviction.
http://media.ca7.uscourts.gov/cgi-bin/rssExec.pl?Submit=Display&Path=Y2016/D01-11/C:15-1286:J:Shah:aut:T:fnOp:N:1685168:S:0
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.