Which cabinet member would make the worst president?

[Yelnoc]

Let's say there is an attack at the State of the Union address and everyone in the presidential line of succession is killed, leaving the designated survivor to lead the nation. Of all the cabinet members, who do you think would make the worst president?

For reference:

State: John Kerry
Treasury: Jack Lew
Defense: Chuck Hagel
AG: Eric Holder
Interior: Sally Jewell
Agriculture: Tom Vilsack
Commerce: Penny Pritzker
Labor: Thomas Perez
HHS: Sylvia Burwell
Education: Arne Duncan
HUD: Julian Castro
Transportation: Anthony Foxx
Energy: Ernest Moniz
VA: Robert McDonald
HS: Jeh Johnson