Ukraine war: Do sanctions work? Experts weigh in

There's evidence that sanctions have worked to secure U.S. foreign policy interests in the past. Experts, however, told Fox News Digital that they are underwhelmed by the response to Russia's invasion of Ukraine.

Ukrainian soldiers lead a funeral procession for comrades from a church to hearses as onlookers hold flowers and watch in Lviv, Ukraine, March 11, 2022.  (Matthew Hatcher/SOPA Images/LightRocket via Getty Images) Ukrainians crowd under a destroyed bridge as they try to flee crossing the Irpin River (AP Photo/Emilio Morenatti) Children have sheltered underground in Ukraine amid the Russian invasion. (Oleksandra Ustinova MP) A Ukrainian serviceman crossing the Irpin River holds a baby on an improvised path under a bridge that was destroyed by a Russian airstrike while assisting people fleeing the town of Irpin, Ukraine, March 5, 2022.  ( AP Photo/Vadim Ghirda)) A man leaves a vehicle damaged by shelling in Brovary, outside Kyiv, Ukraine, March 1, 2022. (AP Photo/Efrem Lukatsky) Destroyed Russian tanks are seen on a main road.  (AP Photo/Felipe Dana) Servicemen carry a coffin during funerals of Dmytro Kotenko, Vasyl Vyshyvany and Kyrylo Moroz, Ukrainian servicemen killed during Russia's invasion of Ukraine, at Lychakiv cemetery in the western Ukrainian city of Lviv March 9, 2022.  (Yuriy Dyachyshyn/AFP via Getty Images)

"The totality of our sanctions is crushing the Russian economy," the president tweeted Friday. "The ruble has lost more than half its value."