Real estate might not be Donald Trump's strong suit in the Texas primary: Six years ago, the state's Republican attorney general forced his Trump University to pack up and leave. Trump's embattled property seminar program made an embarrassing retreat when then-Attorney General Greg Abbott, now the state's governor, began investigating it for possible "deceptive trade practices." That's a challenge as Trump now hopes to win the Lone Star State's Super Tuesday Republican primary. State polls show Trump and Texas' junior U.S. senator, Ted Cruz, battling for an edge in the March 1 vote. Real Clear Politics' average of polls shows...