Rep. Michael McCaul said Sunday that Democrats will have "blood on their hands" if they continue blocking funding for the Department of Homeland Security.

In the two weeks since the U.S. and Israel launched strikes on Iran, President Donald Trump increasingly has been knocked on his political heels.

U.S. Ambassador to the United Nations Mike Waltz said Sunday that President Trump hasn't ruled out sending troops to Iran but emphasized that any deployment would look nothing like past U.S. wars.