Jan 10 (Reuters) - Bank Of Nova Scotia BNS.TO
* Scotiabank ceo says time for "a bit of a refresh" on nafta
* Scotiabank ceo says has closed about 80 branches in past two years
* Scotiabank ceo says expects 5 percent of branch network to close over next couple of years
* Scotiabank ceo says says will spend between c$2.5-c$2.6 billion on technology investment this year Further company coverage: BNS.TO