Related Clues:

• He'd argue if forced out for one fronting the organisation
• Not a true origin of race?
• E.g. topsoil spread over grass
• Invalid setting off after lass, excited and tense
• Carved decoration on a ship's prow ... or a hint to the first word of 17-, 25-, 37- and 45-Across
• Fellow bitter about a university's illegal manoeuvre
• Informer on the mob
• Ship's bow decoration ... and, literally, the first word of 3-, 9- and 24-Down
• New beginning ... and what the first words of 17-, 23- and 53-Across can literally have
• Snitch in a police station
• Whodunit informer
• Work out chairman's bust on board
• Not the true origin of race?
• Feigned response to a loud noise?
• Reason for a dash do-over