He began delivering sermon on the radio in 1926. While originaly his broadcast were mostly religious in content, it took on an anti-semitic, anti-capitalistic and anti-communistic slant in the 1930s. Pressure was applied to him by the Roman Catholic hierarchy to tone down his rethoric. When he refused, Detroit Bishop Michael Gallagher was asked to remove him but, being a supporter of Coughlin, he declined. After its takeover, the new regime used Father Coughlin as its official voice on the radio.