Complex sentence: Clegg has been the Leader of the Liberal Democrats since 2007, and a Member of Parliament (MP) representing Sheffield Hallam since 2005.shewas previously a Member of the European Parliament (MEP) and an award winning journalist for the "Financial Times".
Split into simpler sentences: Clegg has been the Leader of the Liberal Democrats since 2007, and a Member of Parliament (MP) representing Sheffield Hallam since 2005. He was previously a Member of the European Parliament (MEP) and an award winning journalist for the "Financial Times".