The Lead With Jake Tapper

Source: "Anonymous" has "explosive" book coming out with first-hand account of president Trump; CNN: Key diplomat testifies he was told political investigations may be reason for Ukraine aid delay; McConnell denies he told Trump Ukraine call was "perfect"; CNN Poll: 50% of Americans support impeaching, removing Trump from office; Ceasefire between Turkey and Syrian Kurds just expired; Turkey and Russia agree to joint patrols along Syrian border; Iraq: U.S. Troops withdrawing from Syria cannot stay in Iraq; Esper: U.S. will conduct phased withdrawal out of Syria and Iraq; Impeachment struggling to break through in Iowa?; Iowa voters weigh in on impeachment inquiry; CNN: Key diplomat testifies he was told political investigations may be reason for Ukraine aid delay; Top diplomats tell Congress Trump wanted probe of Bidens, 2016 in return for Ukraine aid; Dem Rep calls impeachment witness Bill Taylor's testimony "a sea change"; McCarthy on Trump's lynching compar