Complex sentence: Political commentators have speculated that this lawsuit is designed to supplant efforts to impeach Barack Obama, based on Boehner's experience with the impeachment of Bill Clinton as well as their belief that on its merits, the lawsuit has many shortcomings.
Split into simpler sentences: Political commentators have speculated that the proposal of a lawsuit is designed to supplant efforts to impeach Barack Obama, based on Boehner's experience with the impeachment of Bill Clinton. The commentators also believe that on its merits, the lawsuit has many shortcomings.