Former Democratic Massachusetts Senator and Secretary of State John Kerry was in Sioux City today pledging his support for former vice president Joe Biden in 2020. However, the one-time presidential candidate was interrupted early on by protesters with signs saying “Palenstinians Should Be Free.” Kerry was undaunted, telling protestors he believed in freedom of speech. He went on to tell the crowd of about 100 people that Joe Biden deserves their support because he can defeat President Donald