He earned censure for his "gunboat" diplomacy, to which he responded with his famous "Strong Arm of England Speech."  
After his first election to Parliament from Horsham was challenged, Sir Leonard Holmes gave him a pocket borough on the Isle of Wight on condition that he never visit.  Entering government as a Tory, he secured the creation of an independent Belgium and prevented Muhammad Ali from overtaking the Ottoman Empire as Foreign Secretary.  He earned censure for his "gunboat" diplomacy, to which he responded with his famous "Strong Arm of England Speech."  Succeeding John Russell, FTP, identify this man who became Britain's first Liberal prime minister in 1859.
After his first election to Parliament from Horsham was challenged, Sir Leonard Holmes gave him a pocket borough on the Isle of Wight on condition that he never visit.  
Henry John Temple, 3rd Viscount Palmerston (accept either name)