Complex sentence: After the general election, which the party wins by a reduced majority, Urquhart makes his suggestions for a cabinet reshuffle but Collingridge--citing Harold Macmillan's political demise after sacking half his Cabinet--effects no changes at all.
Split into simpler sentences: After the general election, which the party wins by a reduced majority, Urquhart makes his suggestions for a cabinet reshuffle. However, Collingridge--citing Harold Macmillan's political demise after sacking half his Cabinet--effects no changes at all.