Cable hits 1.3065 after extending south from 1.3108 (London morning high)

1.3065 is seven pips shy of Asian session three-week low (pre-UK jobs data)

Harris-Trump debate gets underway at 9pm ET (scheduled to last 90 minutes)

GBP/USD might drop towards 1.3000 if Trump is perceived to "win" debate

Conversely, a perceived debate "win" for Harris might lift cable to 1.3145

UK July GDP data due Wednesday at 0600 GMT; growth of 0.2% f/c vs 0.6% in Q2