to visit the chinese capital in nearly five years. but then just a day later, presidentjoe biden referred to the chinese leader as a dictator at a fundraising event in california. well, there s another big us trip planned this week, us treasury secretary janet yellen is to visit beijing. the treasury said it would be a visit to discuss the importance for both sides to responsibly manage the relationship and work together to address global challenges . 0ur asia business reporter monica miller explains. the two sides have a lot to discuss, including us concerns about a new chinese counterespionage law that went into effect on the 1st ofjuly. now the us says american and other foreign companies in the country could face penalties from chinese authorities for regular business activities. now, janet yellen is also expected to meet with china s new economic team, and she is expected to press upon them that washington is still committed to defending human rights and its own national security