With presidential candidate Ron DeSantis campaigning in Iowa, we hear reactions from voters and some analysis on how DeSantis can overcome former president Donald Trump's sizable polling lead.

The FBI is facing questions again about its use of the FISA surveillance program on American citizens. Assistant Secretary of State for Intelligence Brett Holmgren said on May 30 that abuses of the program are 'disturbing,' but that it should continue.

The Republican field of presidential candidates continues to expand. Former New Jersey Governor Chris Christie plans to run for president again.