The 'Fist Bump' is catching on. LOL - Obama 'fist bump' catching on Posted: 04:34 PM ET Feinstein and Hutchison share a fist bump. (CNN) — In a reference to Barack and Michelle Obama's celebratory fist bump on Tuesday, Sen. Dianne Feinstein, D-California, and Sen. Kay Bailey Hutchison, R-Texas, ended their conversation on CNN's Late Edition with their own version of the “hand shake.”