Sens. Tim Scott, R-S.C., and Chris Coons, D-Del., remember the late Sen. Lindsey Graham after his shocking death overnight. U.N. Amb. Mike Waltz joins “This Week” to discuss the state of Iran negotiations. Rep. Michael McCaul, R-Texas, discusses his recent Ukraine visit.

00:00 Intro
01:20 ABC News’ Martha Raddatz remembers the late Sen. Lindsey Graham
06:52 ABC News’ Jay O’Brien reports on the tributes to Graham
08:10 Sen. Tim Scott joins “This Week” to remember his Senate colleague
13:39 Sen. Chris Coons discusses his friendship with Graham
18:05 Amb. Mike Waltz joins “This Week” to discuss the war with Iran
26:22 ABC News’ Jay O’Brien reports from Maine after the Democratic nominee drops out of the race
31:28 The Powerhouse Roundtable breaks down the political headlines of the week
41:14 Rep. Michael McCaul discusses his recent visit to Ukraine
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