Sen. Lindsey Graham (R-S.C.) dies at the age of 71, a day before his planned appearance on Meet the Press. Kristen Welker interviews President Trump, Israeli Prime Minister Benjamin Netanyahu, Sen. Tim Scott (R-S.C.), Sen. Adam Schiff (D-Calif.) and Rep. Ro Khanna (D-Calif.). Former Rep. Val Demings (D-Fla.), Sara Fagen, Jonathan Martin and Andrea Mitchell join the roundtable.