- In his 34-year career in state and federal courts, Cannon has emphasized pro-life litigation and legislation, and the continuous defense of sidewalk counselors. He has defended over 40 cases on behalf of sidewalk counselors brought at the behest of Nebraskaā€™s late term abortionist Leroy Carhart and, with fellow Thomas More attorney Matthew Heffron, obtained the jury acquittal of Catholic priest Fr. Norman Weslin on federal FACE charges arising out of events at the Carhart clinic.
- Since joining Thomas More Society, Cannon has tried significant cases with a winning record in Nebraska, Kansas, Colorado, Alabama and New York. He has resolved other cases in favor of sidewalk counselors without trial in those and many other states.
- Cannon was lead counsel for Thomas More Society in defeating New York Attorney General Eric Schneidermanā€™s precedent setting Federal Court effort to shut down the activities of sidewalk counselors around one of the countryā€™s biggest abortion clinics, obtaining a sound victory after a month-long federal trial and the Stateā€™s appeal of its loss to the Second Circuit Court of Appeals.
- The Thomas More Society is a founding member of Iowaā€™s Coalition of Pro-Life Leaders. As its representative to the coalition, he has actively assisted the coalition and legislators in drafting and passing pro-life legislation, and recently represented Iowa Governor Kim Reynolds and the people of Iowa in defense of Iowaā€™s Heartbeat Law. He has recently been travelling the state, addressing influential groups in support of the upcoming amendment to the Iowa constitution.
- Cannon is on the Board of Directors of the Assure Womenā€™s Center in Omaha, Nebraska. The center has a highly successful model, consistently reaching over 1,400 abortion-determined women per year and empowering over 75% of them to choose life. Since 2013, the organization has trained over 50 additional centers throughout the United States.