PBS News Hour S44 E186 September 17, 2019

Tuesday on the NewsHour, former Trump campaign manager Corey Lewandowski testifies before the House Judiciary Committee -- but doesn't say much. Plus: What's at stake in Israel's second election of the year, Texas gun owners talk about universal background checks and red flag laws, how government detention can hurt children and remembering journalist and beloved NewsHour friend Cokie Roberts.