richard wolf on the supreme court's remaining case load and today's expected ortion ruling and mary elena executive director of immigration center on how president obama will affect millions of undocumented workers. we'll talk with heather mcdonald, how a new attack on law and order makes everyone unsafe. e sure to watch c-span's "washington journal" monday morning. next q&a with arthur herman on his biography of general douglas mccarthy. then britain's decision to leave the european union on world financial markets. after that another chance to see c-span's interview with senator bernie sanders of vermont. >> this week on q&a, arthur and senior fellow -- arthur and senior fellow arthur herman. he discusses his book "american warrior." >> arthur herman, what made douglas mccarter so controversial? >> well, a number of things. i think there was aspect of his personality, his politics and then there's