Don Junior to testify before senate intel tomorrow; WH assertions of executive privilege may complicate Dems deal with DOJ for some mueller material; Pelosi: Impeachment inquiry "not off the table"; Trump unleashes string of personal attacks on Biden; Trump: I would not have let Kim Jong Un's half brother work with CIA; WSJ: Before being poisoned, Kim Jong Un's half brother was CIA source; Trump: I wouldn't let CIA use informants against Kim Jong Un; TX Gov signs bill letting kids have lemonade stands via Knit