joe biden. good to see you. >> good to see you. >> under clinton's proposal the wealthiest americans would see investing gains taxed on the sliding scale with the tax dropping the longer the investment is held. >> exactly. >> could this work? will this happen? >> i think it will help in the sense that secretary clinton just mentioned. right now if you sell an asset, whether that's a share of stock or that nice van go that your uncle left you and the appreciation on that asset, its increased value over time is taxed at something called a capital gains tax rate. that's a tax that about 40t about 40% if you seg sell it quickly, the same as ordinary income. if you hold it for a young or longer it's taxed at half that rate. what clinton is proposing is to have a sliding scale. the longer you hold it the lower the capital gains tax rate will be. the incentive is to incentivize people to hold their investments for longer that will bleed into