After canceling four shows in July (19th, 20th, 26th and 27th), Alabama has scratched their upcoming shows in Lewisburg, W.Va. (Aug. 16), and Holmdel, N.J. (Aug. 17), as frontman Randy Owen continues to deal with vertigo and migraines. Alabama’s management company, Conway Entertainment Group, released a statement via Instagram on behalf of the Hall of…