We take our liberties for granted. They seem absolute and untouchable. But they are the result of a series of violent struggles fought over 800 years that, at times, have threatened to tear our society apart. On the frontline was a document originally inked on animal skin – Magna Carta. Distinguished constitutional historian David Starkey looks at the origins of the Great Chart...。1933年,红军来到仪陇,18岁的张思德与伙伴勇闯金城寨,摸清敌情助红军攻城,就此投身革命。训练场上,他咬牙蜕变;战场上,他智取盐场、勇盗敌船、巧夺机枪,屡建奇功。反六路围剿,他目睹战友为守护百姓牺牲;长征途中,他尝百草、救战友,将他人安危置于首位。抗战时期,张思德成为毛主席警卫员,始终以百姓需求为念。1944年,在烧炭时窑洞塌方,他毫不犹豫将生的希望推给战友,自己却被黄土吞噬。从贫苦少年到革命战士,他用生命践行“为人民服务”,正如毛主席在追悼会上所言,他的死比泰山还重,其精神化作永恒丰碑。。