WATCH LIVE: President Trump’s 2020 State of the Union

President Donald Trump will deliver his annual State of the Union address on Tuesday, Feb. 4 in the U.S. House of Representatives--a day before he is expected to be acquitted in the Senate impeachment trial and a day after the Iowa caucuses provide the first results in the Democratic presidential race.

David Brooks and Ruth Marcus on Senate’s witness vote, Sanders’ surge

New York Times columnist David Brooks and Washington Post columnist Ruth Marcus join Judy Woodruff to discuss the week's political news, including the Senate's decision not to call witnesses in President Trump's impeachment trial, Republicans' varying defenses of Trump's conduct around Ukraine and what recent polling trends among 2020 Democrats suggest about Monday's Iowa caucuses.

Elizabeth Warren on Trump’s trial and why ‘women win’ elections

Sen. Elizabeth Warren, D-Mass., has been present for the Senate impeachment trial of President Trump and heard Trump's legal team offer its defense of the charges against him. She is also a 2020 Democratic candidate for president. Warren joins Judy Woodruff to discuss why she views Trump's actions as akin to bribery and what it means to miss the last few campaign days before the Iowa caucuses.

A week before Iowa caucuses, which 2020 Democrats are resonating most?

As Iowa's Democratic caucuses approach, Vermont Sen. Bernie Sanders' message seems to be resonating with voters, though he still faces concerns he is too liberal to defeat President Trump. Along with Sens. Elizabeth Warren and Amy Klobuchar, he dashed to Iowa to campaign during a break from Trump's impeachment trial. Also there was Pete Buttigieg, who touted his electability. John Yang reports.

Tamara Keith and Amy Walter on impeachment trial witnesses, Iowa polls

NPR's Tamara Keith and Amy Walter of the Cook Political Report join Judy Woodruff to discuss the latest political news, including whether enough Senate Republicans will vote to hear witnesses in the impeachment trial of President Trump and how 2020 presidential candidates are polling and campaigning in Iowa as its Democratic caucuses approach.

David Brooks and Karen Tumulty on Senate impeachment trial and Jim Lehrer

New York Times columnist David Brooks and The Washington Post's Karen Tumulty join Judy Woodruff to discuss the week's political news, including how effective House impeachment managers are at making the case for President Trump's removal, the latest 2020 campaign dynamics in Iowa and the loss and legacy of NewsHour co-founder Jim Lehrer.