'Entirely appropriate': GOP senator jumps on investigate Signal war chat bandwagon

Add Sen. James Lankford (R-OK) to the list of Republican lawmakers calling for an investigation high-ranking Donald Trump officials who engaged in a chat on the Signal app where they discussed an upcoming military attack on Yemen with a journalist mistakenly invited to listen in.

Speaking with CNN's Dana Bash, the conservative from Oklahoma didn't pause when asked if an investigation is warranted about comments made by Defense Secretary Pete Hegseth who shared blow-by-blow assault plans...