By Nia Dalton Former Prime Minister Boris Johnson had a meteoric rise to power – but his reputation quickly crumbled. Tonight, a new four-part series titled The Rise and Fall of Boris Johnson airs on Channel 4 and documents the political career of the former PM. The 59-year-old was first elected in 2001 and was PM from July 2019 until September 2022 – during which time he was involved in many scandals and controversies. In the three years Johnson resided in No10, the UK quit the EU, suffered as a result of Covid rules and spearheaded Western support for Ukraine. But what has the ex-Downing Str…