If you're wondering about Sessions' odd name, he is named after:
1. Jefferson Davis, the President of the Confederate States of America;
2. General Beauregard of the Confederate Army, who fired the first shot of the US Civil War at Fort Sumter.
Sessions is the Senator for Alabama, a Confederate state, and is a strong advocate for Trump's 1000 mile fence along the US-Mexico border and other anti-immigrant measures.
Trump VP Leaked? - What we can expect from Trump's pick - https://t.co/gQvWxI11a8— infowars (@infowars) 6 June 2016
So their top priority would be building a wall, not smashing up Wall Street (which would be Sanders' priority: tax and smash Wall Street).