AARP Wyoming and the Small Business Administration are offering the first National Encore Entrepreneur  Mentor Day October 2 in Casper. Joanne Mai of AARP Wyoming says the event is a chance for entrepreneurs over 50 to meet experienced  business owners as well as representatives of various state agencies and local associations who may be helpful in launching a business. Mai says the  event is scheduled for 12-1:30 pm at the Natrona County Library. She says the event is free, and a light lunch will be served to participants.