U.S. Ambassador to the U.N. Michael Waltz discusses the unexpected passing of Sen. Lindsey Graham, R-S.C., and escalating American strikes on Iran during ‘Sunday Morning Futures.’

The US launched a new attack on Iran on Sunday evening, continuing days of strikes between the two countries.

The strikes have increased doubts that an interim deal agreed last month will lead to a permanent halt in a more than four-month-old war that has disrupted global energy supplies and raised fears of a...