Kirstjen Nielsen
Pence said during the first stop of a Latin American tour on Tuesday that if Central Americans thinking of immigrating to the United States "can't come legally.
Sarah Sanders said on Saturday that she had been asked to leave a Virginia restaurant the night before because she worked for President Donald Trump.
Nielsen warned that a European data privacy law may have "unintended consequences" that harm the United States' ability to protect itself from cyber attacks.
A caravan of Central American migrants whose trek across Mexico infuriated Donald Trump on Wednesday scrapped plans to cross into the United States.
Trump was expected to nominate Kirstjen Nielsen, aide to White House chief of staff John Kelly, to lead the Department of Homeland Security.