​By Maura Keller“If you want to really be happy, you have to have a strong faith,” said Legatus founder Tom Monaghan at the 25th anniversary celebration of the Denver Legatus Chapter last month.That conviction — faith as the source of lasting joy — has animated Legatus since its founding in 1987, and it continues to shape the vibrant community of Catholic business leaders that comprises the Denver chapter today.Founded in 2000 under the leadership of Archbishop Charles J. Chaput and with then-Fat