Getting a traditional pharmaceutical to the market can cost a billion dollars or more. Newer, more tailored and targeted drugs called biologics are even more complex and expensive. Simple economics dictates that companies and venture funds will invest more in products that can generate a sufficient return.

The number of people with HIV receiving Medicare benefits has grown over time, reflecting growth in the size of the of the HIV positive population in the U.S. but also an increased lifespan for people with HIV due to antiretroviral medicines and other treatment advances.

Pharmaceutical companies have invested hundreds of millions of dollars in new HIV/AIDS treatments not out of altruism but because they can make up those research costs in sales.

Evan Wolfson is a dear friend of mine. Almost more than any other, Evan is responsible for bringing the issue of marriage equality to the forefront of our struggle for civil rights. He is a courageous pioneer who has been relentless in this battle for marriage equality.

I love books, I love art, I'm a fanatic nature and wildlife person. People assume I'm a political animal, power hungry, wanting to run for office. And anyone who knows me knows that none of that's true.

Every spring, this country will be reminded of the Lady from Texas. As trees bloom and flowers carpet our nation's capital, Lady Bird Johnson will be remembered. Only Lady Bird Johnson could, with her vision of a beautiful America, lay claim to spring as her memorial.

I'd come to the country to do my Thoreau bit, so I needed an office that looked out onto the woods for inspiration. I converted one of the bedrooms into my workspace and through its windows watched the wildlife appear each morning with the sunrise. Many were the days I would sit in wonder, coffee in hand, for hours.