The US and China are engaging more. But that doesn't mean they trust each other more, an analyst says.

• More engagement between the US and China doesn't mean they trust each other more, an analyst says.
• Eurasia Group's Ian Bremmer emphasized that Washington and China still disagreed on many issues.
• But increased communications have stabilized tensions over Taiwan.

The US and China have been engaging more with each other. But just because they're talking more doesn't mean that they actually trust each other more, an analyst says.