Sessions and Pence have no role in US Foreign Policy.
Trump will obviously pay great respect on their and other such senor/knowledgeable officials' advise on matters like this.
WASHINGTON – Sen. Dan Coats’ efforts to punish Russia because of Moscow’s move to annex the Crimea region of Ukraine has gotten him banned from the country.
“While I’m disappointed that I won’t be able to go on vacation with my family in Siberia this summer, I am honored to be on this list,” the Indiana Republican said after Russia’s announcement Thursday. ...”
http://www.indystar.com/story/news/politics/2014/03/20/sen-coats-banned-entering-russia-retaliation-sanctions/6661473/
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"President-elect Donald Trump intends to nominate former Indiana Sen. Dan Coats to serve as National Intelligence Director"
"Dan Coats of Indiana has served on the Senate Intelligence and Armed Services Committees."