Buchanan served as the campaign chairman for all three of her brother Pat Buchanan's presidential campaigns. During the 1996 presidential primary season, she emerged as a national figure steadfastly championing the right to life of the unborn child. Currently, Buchanan is a regular political analyst for Inside Politics on CNN, where she debates Donna Brazile.
From September of 1996 through August of 1999, Bay co-anchored Equal Time, a political talk show initially on CNBC, then MSNBC. In addition, she worked as a political analyst for Good Morning America throughout the general election in 1992.
From 1996 to 1997 Buchanan hosted a two-hour radio talk show program covering current events. Buchanan began her political career as the national treasurer of Ronald Reagan's presidential campaigns in 1980 and 1984. This position catapulted her into a distinguished career beginning in 1981 when President Reagan appointed her to be treasurer of the United States. At the age of 32, she was the youngest person to hold that position since it was established in 1775.
Ronald Reagan called on her again in 1983, this time to chair his Commission on Women Business Owners. In 1988 she co-chaired the California delegation to the Republican National Convention and served as co-chair of the defense subcommittee of the Platform committee. Later, in 1990, she ran for treasurer of the state of California. A native of Washington, DC, Buchanan has a masters degree in mathematics from McGill University in Montreal, Canada, and has further studies at several universities, including the University of New South Wales in Australia. In 1981, she received an Honorary Doctor of Law Degree from Samford University. She lives in Virginia and is the proud mother of three sons. Buchanan is one of the leading speakers on many issues regarding politics, dignity of women issues, social issues and Pro-Life issues.